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NAME

       RFC1213-MIB - The Erlang/OTP MIB module for RFC-1213

DESCRIPTION

                 RFC1213-MIB DEFINITIONS ::= BEGIN

                 IMPORTS
                         mgmt, NetworkAddress, IpAddress, Counter, Gauge,
                                 TimeTicks
                             FROM RFC1155-SMI
                         OBJECT-TYPE
                                 FROM RFC-1212;

                 --  This MIB module uses the extended OBJECT-TYPE macro as
                 --  defined in [14];

                 --  MIB-II (same prefix as MIB-I)

          mib-2      OBJECT IDENTIFIER ::= { mgmt 1 }

                 -- textual conventions

                 DisplayString ::=
                     OCTET STRING
                 -- This data type is used to model textual information taken
                 -- from the NVT ASCII character set.  By convention, objects
                 -- with this syntax are declared as having

                 --
                 --      SIZE (0..255)

                 PhysAddress ::=
                     OCTET STRING
                 -- This data type is used to model media addresses.  For many
                 -- types of media, this will be in a binary representation.
                 -- For example, an ethernet address would be represented as
                 -- a string of 6 octets.

                 -- groups in MIB-II

                 system       OBJECT IDENTIFIER ::= { mib-2 1 }

           interfaces   OBJECT IDENTIFIER ::= { mib-2 2 }

                 at           OBJECT IDENTIFIER ::= { mib-2 3 }

                 ip           OBJECT IDENTIFIER ::= { mib-2 4 }

                 icmp         OBJECT IDENTIFIER ::= { mib-2 5 }

                 tcp          OBJECT IDENTIFIER ::= { mib-2 6 }

                 udp          OBJECT IDENTIFIER ::= { mib-2 7 }

                 egp          OBJECT IDENTIFIER ::= { mib-2 8 }

                 -- historical (some say hysterical)
                 -- cmot      OBJECT IDENTIFIER ::= { mib-2 9 }

                 transmission OBJECT IDENTIFIER ::= { mib-2 10 }

                 snmp         OBJECT IDENTIFIER ::= { mib-2 11 }

                 -- the System group

                 -- Implementation of the System group is mandatory for all
                 -- systems.  If an agent is not configured to have a value
                 -- for any of these variables, a string of length 0 is
                 -- returned.

                 sysDescr OBJECT-TYPE
                     SYNTAX  DisplayString (SIZE (0..255))
                     ACCESS  read-only
                     STATUS  mandatory

                     DESCRIPTION
                             "A textual description of the entity.  This value
                             should include the full name and version
                             identification of the system's hardware type,
                             software operating-system, and networking
                             software.  It is mandatory that this only contain
                             printable ASCII characters."
                     ::= { system 1 }

                 sysObjectID OBJECT-TYPE
                     SYNTAX  OBJECT IDENTIFIER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The vendor's authoritative identification of the
                             network management subsystem contained in the
                             entity.  This value is allocated within the SMI
                             enterprises subtree (1.3.6.1.4.1) and provides an
                             easy and unambiguous means for determining `what
                             kind of box' is being managed.  For example, if
                             vendor `Flintstones, Inc.' was assigned the
                             subtree 1.3.6.1.4.1.4242, it could assign the
                             identifier 1.3.6.1.4.1.4242.1.1 to its `Fred
                             Router'."
                     ::= { system 2 }

                 sysUpTime OBJECT-TYPE
                     SYNTAX  TimeTicks
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The time (in hundredths of a second) since the
                             network management portion of the system was last
                             re-initialized."
                     ::= { system 3 }

                 sysContact OBJECT-TYPE
                     SYNTAX  DisplayString (SIZE (0..255))
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The textual identification of the contact person
                             for this managed node, together with information
                             on how to contact this person."
                     ::= { system 4 }

                 sysName OBJECT-TYPE
                     SYNTAX  DisplayString (SIZE (0..255))

                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "An administratively-assigned name for this
                             managed node.  By convention, this is the node's
                             fully-qualified domain name."
                     ::= { system 5 }

                 sysLocation OBJECT-TYPE
                     SYNTAX  DisplayString (SIZE (0..255))
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The physical location of this node (e.g.,
                             `telephone closet, 3rd floor')."
                     ::= { system 6 }

                 sysServices OBJECT-TYPE
                     SYNTAX  INTEGER (0..127)
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "A value which indicates the set of services that
                             this entity primarily offers.

                             The value is a sum.  This sum initially takes the
                             value zero, Then, for each layer, L, in the range
                             1 through 7, that this node performs transactions
                             for, 2 raised to (L - 1) is added to the sum.  For
                             example, a node which performs primarily routing
                             functions would have a value of 4 (2^(3-1)).  In
                             contrast, a node which is a host offering
                             application services would have a value of 72
                             (2^(4-1) + 2^(7-1)).  Note that in the context of
                             the Internet suite of protocols, values should be
                             calculated accordingly:

                                  layer  functionality
                                      1  physical (e.g., repeaters)
                                      2  datalink/subnetwork (e.g., bridges)
                                      3  internet (e.g., IP gateways)
                                      4  end-to-end  (e.g., IP hosts)
                                      7  applications (e.g., mail relays)

                             For systems including OSI protocols, layers 5 and
                             6 may also be counted."
                     ::= { system 7 }

                 -- the Interfaces group

                 -- Implementation of the Interfaces group is mandatory for
                 -- all systems.

                 ifNumber OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of network interfaces (regardless of
                             their current state) present on this system."
                     ::= { interfaces 1 }

                 -- the Interfaces table

                 -- The Interfaces table contains information on the entity's
                 -- interfaces.  Each interface is thought of as being
                 -- attached to a `subnetwork'.  Note that this term should
                 -- not be confused with `subnet' which refers to an
                 -- addressing partitioning scheme used in the Internet suite
                 -- of protocols.

                 ifTable OBJECT-TYPE
                     SYNTAX  SEQUENCE OF IfEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "A list of interface entries.  The number of
                             entries is given by the value of ifNumber."
                     ::= { interfaces 2 }

                 ifEntry OBJECT-TYPE
                     SYNTAX  IfEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "An interface entry containing objects at the
                             subnetwork layer and below for a particular
                             interface."
                     INDEX   { ifIndex }
                     ::= { ifTable 1 }

                 IfEntry ::=
                     SEQUENCE {
                         ifIndex
                             INTEGER,
                          ifDescr
                             DisplayString,
                         ifType
                             INTEGER,
                         ifMtu
                             INTEGER,
                         ifSpeed
                             Gauge,
                         ifPhysAddress
                             PhysAddress,
                         ifAdminStatus
                             INTEGER,
                         ifOperStatus
                             INTEGER,
                         ifLastChange
                             TimeTicks,
                         ifInOctets
                             Counter,
                         ifInUcastPkts
                             Counter,
                         ifInNUcastPkts
                             Counter,
                         ifInDiscards
                             Counter,
                         ifInErrors
                             Counter,
                         ifInUnknownProtos
                             Counter,
                         ifOutOctets
                             Counter,
                         ifOutUcastPkts
                             Counter,
                         ifOutNUcastPkts
                             Counter,
                         ifOutDiscards
                             Counter,
                         ifOutErrors
                             Counter,
                         ifOutQLen
                             Gauge,
                         ifSpecific
                             OBJECT IDENTIFIER
                     }

                 ifIndex OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory

                     DESCRIPTION
                             "A unique value for each interface.  Its value
                             ranges between 1 and the value of ifNumber.  The
                             value for each interface must remain constant at
                             least from one re-initialization of the entity's
                             network management system to the next re-
                             initialization."
                     ::= { ifEntry 1 }

                 ifDescr OBJECT-TYPE
                     SYNTAX  DisplayString (SIZE (0..255))
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "A textual string containing information about the
                             interface.  This string should include the name of
                             the manufacturer, the product name and the version
                             of the hardware interface."
                     ::= { ifEntry 2 }

                 ifType OBJECT-TYPE
                     SYNTAX  INTEGER {
                                 other(1),          -- none of the following
                                 regular1822(2),
                                 hdh1822(3erl),
                                 ddn-x25(5),
                                 rfc877-x25(5),
                                 ethernet-csmacd(7),
                                 iso88023-csmacd(7),
                                 iso88024-tokenBus(8),
                                 iso88025-tokenRing(9),
                                 iso88026-man(10),
                                 starLan(11),
                                 proteon-10Mbit(12),
                                 proteon-80Mbit(13),
                                 hyperchannel(14),
                                 fddi(15),
                                 lapb(16),
                                 sdlc(17),
                                 ds1(18),           -- T-1
                                 e1(19),            -- european equiv. of T-1
                                 basicISDN(20),
                                 primaryISDN(21),   -- proprietary serial
                                 propPointToPointSerial(22),
                                 ppp(23),
                                 softwareLoopback(24),
                                 eon(25),            -- CLNP over IP [11]
                                 ethernet-3Mbit(26),

                                 nsip(27),           -- XNS over IP
                                 slip(28),           -- generic SLIP
                                 ultra(29),          -- ULTRA technologies
                                 ds3(30),            -- T-3
                                 sip(31),            -- SMDS
                                 frame-relay(32)
                             }
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The type of interface, distinguished according to
                             the physical/link protocol(s) immediately `below'
                             the network layer in the protocol stack."
                     ::= { ifEntry 3 }

                 ifMtu OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The size of the largest datagram which can be
                             sent/received on the interface, specified in
                             octets.  For interfaces that are used for
                             transmitting network datagrams, this is the size
                             of the largest network datagram that can be sent
                             on the interface."
                     ::= { ifEntry 4 }

                 ifSpeed OBJECT-TYPE
                     SYNTAX  Gauge
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "An estimate of the interface's current bandwidth
                             in bits per second.  For interfaces which do not
                             vary in bandwidth or for those where no accurate
                             estimation can be made, this object should contain
                             the nominal bandwidth."
                     ::= { ifEntry 5 }

                 ifPhysAddress OBJECT-TYPE
                     SYNTAX  PhysAddress
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The interface's address at the protocol layer
                             immediately `below' the network layer in the
                             protocol stack.  For interfaces which do not have

                             such an address (e.g., a serial line), this object
                             should contain an octet string of zero length."
                     ::= { ifEntry 6 }

                 ifAdminStatus OBJECT-TYPE
                     SYNTAX  INTEGER {
                                 up(1),       -- ready to pass packets
                                 down(2),
                                 testing(3erl)   -- in some test mode
                             }
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The desired state of the interface.  The
                             testing(3erl) state indicates that no operational
                             packets can be passed."
                     ::= { ifEntry 7 }

                 ifOperStatus OBJECT-TYPE
                     SYNTAX  INTEGER {
                                 up(1),       -- ready to pass packets
                                 down(2),
                                 testing(3erl)   -- in some test mode
                             }
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The current operational state of the interface.
                             The testing(3erl) state indicates that no operational
                             packets can be passed."
                     ::= { ifEntry 8 }

                 ifLastChange OBJECT-TYPE
                     SYNTAX  TimeTicks
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The value of sysUpTime at the time the interface
                             entered its current operational state.  If the
                             current state was entered prior to the last re-
                             initialization of the local network management
                             subsystem, then this object contains a zero
                             value."
                     ::= { ifEntry 9 }

                 ifInOctets OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only

                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of octets received on the
                             interface, including framing characters."
                     ::= { ifEntry 10 }

                 ifInUcastPkts OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of subnetwork-unicast packets
                             delivered to a higher-layer protocol."
                     ::= { ifEntry 11 }

                 ifInNUcastPkts OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of non-unicast (i.e., subnetwork-
                             broadcast or subnetwork-multicast) packets
                             delivered to a higher-layer protocol."
                     ::= { ifEntry 12 }

                 ifInDiscards OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of inbound packets which were chosen
                             to be discarded even though no errors had been
                             detected to prevent their being deliverable to a
                             higher-layer protocol.  One possible reason for
                             discarding such a packet could be to free up
                             buffer space."
                     ::= { ifEntry 13 }

                 ifInErrors OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of inbound packets that contained
                             errors preventing them from being deliverable to a
                             higher-layer protocol."
                     ::= { ifEntry 14 }

                 ifInUnknownProtos OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of packets received via the interface
                             which were discarded because of an unknown or
                             unsupported protocol."
                     ::= { ifEntry 15 }

                 ifOutOctets OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of octets transmitted out of the
                             interface, including framing characters."
                     ::= { ifEntry 16 }

                 ifOutUcastPkts OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of packets that higher-level
                             protocols requested be transmitted to a
                             subnetwork-unicast address, including those that
                             were discarded or not sent."
                     ::= { ifEntry 17 }

                 ifOutNUcastPkts OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of packets that higher-level
                             protocols requested be transmitted to a non-
                             unicast (i.e., a subnetwork-broadcast or
                             subnetwork-multicast) address, including those
                             that were discarded or not sent."
                     ::= { ifEntry 18 }

                 ifOutDiscards OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of outbound packets which were chosen

                             to be discarded even though no errors had been
                             detected to prevent their being transmitted.  One
                             possible reason for discarding such a packet could
                             be to free up buffer space."
                     ::= { ifEntry 19 }

                 ifOutErrors OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of outbound packets that could not be
                             transmitted because of errors."
                     ::= { ifEntry 20 }

                 ifOutQLen OBJECT-TYPE
                     SYNTAX  Gauge
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The length of the output packet queue (in
                             packets)."
                     ::= { ifEntry 21 }

                 ifSpecific OBJECT-TYPE
                     SYNTAX  OBJECT IDENTIFIER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "A reference to MIB definitions specific to the
                             particular media being used to realize the
                             interface.  For example, if the interface is
                             realized by an ethernet, then the value of this
                             object refers to a document defining objects
                             specific to ethernet.  If this information is not
                             present, its value should be set to the OBJECT
                             IDENTIFIER { 0 0 }, which is a syntatically valid
                             object identifier, and any conformant
                             implementation of ASN.1 and BER must be able to
                             generate and recognize this value."
                     ::= { ifEntry 22 }

                 -- the Address Translation group

                 -- Implementation of the Address Translation group is
                 -- mandatory for all systems.  Note however that this group
                 -- is deprecated by MIB-II. That is, it is being included

                 -- solely for compatibility with MIB-I nodes, and will most
                 -- likely be excluded from MIB-III nodes.  From MIB-II and
                 -- onwards, each network protocol group contains its own
                 -- address translation tables.

                 -- The Address Translation group contains one table which is
                 -- the union across all interfaces of the translation tables
                 -- for converting a NetworkAddress (e.g., an IP address) into
                 -- a subnetwork-specific address.  For lack of a better term,
                 -- this document refers to such a subnetwork-specific address
                 -- as a `physical' address.

                 -- Examples of such translation tables are: for broadcast
                 -- media where ARP is in use, the translation table is
                 -- equivalent to the ARP cache; or, on an X.25 network where
                 -- non-algorithmic translation to X.121 addresses is
                 -- required, the translation table contains the
                 -- NetworkAddress to X.121 address equivalences.

                 atTable OBJECT-TYPE
                     SYNTAX  SEQUENCE OF AtEntry
                     ACCESS  not-accessible
                     STATUS  deprecated
                     DESCRIPTION
                             "The Address Translation tables contain the
                             NetworkAddress to `physical' address equivalences.
                             Some interfaces do not use translation tables for
                             determining address equivalences (e.g., DDN-X.25
                             has an algorithmic method); if all interfaces are
                             of this type, then the Address Translation table
                             is empty, i.e., has zero entries."
                     ::= { at 1 }

                 atEntry OBJECT-TYPE
                     SYNTAX  AtEntry
                     ACCESS  not-accessible
                     STATUS  deprecated
                     DESCRIPTION
                             "Each entry contains one NetworkAddress to
                             `physical' address equivalence."
                     INDEX   { atIfIndex,
                               atNetAddress }
                     ::= { atTable 1 }

                 AtEntry ::=
                     SEQUENCE {
                         atIfIndex
                             INTEGER,

                         atPhysAddress
                             PhysAddress,
                         atNetAddress
                             NetworkAddress
                     }

                 atIfIndex OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-write
                     STATUS  deprecated
                     DESCRIPTION
                             "The interface on which this entry's equivalence
                             is effective.  The interface identified by a
                             particular value of this index is the same
                             interface as identified by the same value of
                             ifIndex."
                     ::= { atEntry 1 }

                 atPhysAddress OBJECT-TYPE
                     SYNTAX  PhysAddress
                     ACCESS  read-write
                     STATUS  deprecated
                     DESCRIPTION
                             "The media-dependent `physical' address.

                             Setting this object to a null string (one of zero
                             length) has the effect of invaliding the
                             corresponding entry in the atTable object.  That
                             is, it effectively dissasociates the interface
                             identified with said entry from the mapping
                             identified with said entry.  It is an
                             implementation-specific matter as to whether the
                             agent removes an invalidated entry from the table.
                             Accordingly, management stations must be prepared
                             to receive tabular information from agents that
                             corresponds to entries not currently in use.
                             Proper interpretation of such entries requires
                             examination of the relevant atPhysAddress object."
                     ::= { atEntry 2 }

                 atNetAddress OBJECT-TYPE
                     SYNTAX  NetworkAddress
                     ACCESS  read-write
                     STATUS  deprecated
                     DESCRIPTION
                             "The NetworkAddress (e.g., the IP address)
                             corresponding to the media-dependent `physical'
                             address."

                     ::= { atEntry 3 }

                 -- the IP group

                 -- Implementation of the IP group is mandatory for all
                 -- systems.

                 ipForwarding OBJECT-TYPE
                     SYNTAX  INTEGER {
                                 forwarding(1),    -- acting as a gateway
                                 not-forwarding(2) -- NOT acting as a gateway
                             }
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The indication of whether this entity is acting
                             as an IP gateway in respect to the forwarding of
                             datagrams received by, but not addressed to, this
                             entity.  IP gateways forward datagrams.  IP hosts
                             do not (except those source-routed via the host).

                             Note that for some managed nodes, this object may
                             take on only a subset of the values possible.
                             Accordingly, it is appropriate for an agent to
                             return a `badValue' response if a management
                             station attempts to change this object to an
                             inappropriate value."
                     ::= { ip 1 }

                 ipDefaultTTL OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The default value inserted into the Time-To-Live
                             field of the IP header of datagrams originated at
                             this entity, whenever a TTL value is not supplied
                             by the transport layer protocol."
                     ::= { ip 2 }

                 ipInReceives OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of input datagrams received from
                             interfaces, including those received in error."

                     ::= { ip 3 }

                 ipInHdrErrors OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of input datagrams discarded due to
                             errors in their IP headers, including bad
                             checksums, version number mismatch, other format
                             errors, time-to-live exceeded, errors discovered
                             in processing their IP options, etc."
                     ::= { ip 4 }

                 ipInAddrErrors OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of input datagrams discarded because
                             the IP address in their IP header's destination
                             field was not a valid address to be received at
                             this entity.  This count includes invalid
                             addresses (e.g., 0.0.0.0) and addresses of
                             unsupported Classes (e.g., Class E).  For entities
                             which are not IP Gateways and therefore do not
                             forward datagrams, this counter includes datagrams
                             discarded because the destination address was not
                             a local address."
                     ::= { ip 5 }

                 ipForwDatagrams OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of input datagrams for which this
                             entity was not their final IP destination, as a
                             result of which an attempt was made to find a
                             route to forward them to that final destination.
                             In entities which do not act as IP Gateways, this
                             counter will include only those packets which were
                             Source-Routed via this entity, and the Source-
                             Route option processing was successful."
                     ::= { ip 6 }

                 ipInUnknownProtos OBJECT-TYPE
                     SYNTAX  Counter

                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of locally-addressed datagrams
                             received successfully but discarded because of an
                             unknown or unsupported protocol."
                     ::= { ip 7 }

                 ipInDiscards OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of input IP datagrams for which no
                             problems were encountered to prevent their
                             continued processing, but which were discarded
                             (e.g., for lack of buffer space).  Note that this
                             counter does not include any datagrams discarded
                             while awaiting re-assembly."
                     ::= { ip 8 }

                 ipInDelivers OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of input datagrams successfully
                             delivered to IP user-protocols (including ICMP)."
                     ::= { ip 9 }

                 ipOutRequests OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of IP datagrams which local IP
                             user-protocols (including ICMP) supplied to IP in
                             requests for transmission.  Note that this counter
                             does not include any datagrams counted in
                             ipForwDatagrams."
                     ::= { ip 10 }

                 ipOutDiscards OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of output IP datagrams for which no

                             problem was encountered to prevent their
                             transmission to their destination, but which were
                             discarded (e.g., for lack of buffer space).  Note
                             that this counter would include datagrams counted
                             in ipForwDatagrams if any such packets met this
                             (discretionary) discard criterion."
                     ::= { ip 11 }

                 ipOutNoRoutes OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of IP datagrams discarded because no
                             route could be found to transmit them to their
                             destination.  Note that this counter includes any
                             packets counted in ipForwDatagrams which meet this
                             `no-route' criterion.  Note that this includes any
                             datagarms which a host cannot route because all of
                             its default gateways are down."
                     ::= { ip 12 }

                 ipReasmTimeout OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The maximum number of seconds which received
                             fragments are held while they are awaiting
                             reassembly at this entity."
                     ::= { ip 13 }

                 ipReasmReqds OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of IP fragments received which needed
                             to be reassembled at this entity."
                     ::= { ip 14 }

                 ipReasmOKs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of IP datagrams successfully re-
                             assembled."

                     ::= { ip 15 }

                 ipReasmFails OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of failures detected by the IP re-
                             assembly algorithm (for whatever reason: timed
                             out, errors, etc).  Note that this is not
                             necessarily a count of discarded IP fragments
                             since some algorithms (notably the algorithm in
                             RFC 815) can lose track of the number of fragments
                             by combining them as they are received."
                     ::= { ip 16 }

                 ipFragOKs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of IP datagrams that have been
                             successfully fragmented at this entity."
                     ::= { ip 17 }

                 ipFragFails OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of IP datagrams that have been
                             discarded because they needed to be fragmented at
                             this entity but could not be, e.g., because their
                             Don't Fragment flag was set."
                     ::= { ip 18 }

                 ipFragCreates OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of IP datagram fragments that have
                             been generated as a result of fragmentation at
                             this entity."
                     ::= { ip 19 }

                 -- the IP address table

                 -- The IP address table contains this entity's IP addressing
                 -- information.

                 ipAddrTable OBJECT-TYPE
                     SYNTAX  SEQUENCE OF IpAddrEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "The table of addressing information relevant to
                             this entity's IP addresses."
                     ::= { ip 20 }

                 ipAddrEntry OBJECT-TYPE
                     SYNTAX  IpAddrEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "The addressing information for one of this
                             entity's IP addresses."
                     INDEX   { ipAdEntAddr }
                     ::= { ipAddrTable 1 }

                 IpAddrEntry ::=
                     SEQUENCE {
                         ipAdEntAddr
                             IpAddress,
                         ipAdEntIfIndex
                             INTEGER,
                         ipAdEntNetMask
                             IpAddress,
                         ipAdEntBcastAddr
                             INTEGER,
                         ipAdEntReasmMaxSize
                             INTEGER (0..65535)
                     }

                 ipAdEntAddr OBJECT-TYPE
                     SYNTAX  IpAddress
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The IP address to which this entry's addressing
                             information pertains."
                     ::= { ipAddrEntry 1 }

                 ipAdEntIfIndex OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The index value which uniquely identifies the
                             interface to which this entry is applicable.  The
                             interface identified by a particular value of this
                             index is the same interface as identified by the
                             same value of ifIndex."
                     ::= { ipAddrEntry 2 }

                 ipAdEntNetMask OBJECT-TYPE
                     SYNTAX  IpAddress
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The subnet mask associated with the IP address of
                             this entry.  The value of the mask is an IP
                             address with all the network bits set to 1 and all
                             the hosts bits set to 0."
                     ::= { ipAddrEntry 3 }

                 ipAdEntBcastAddr OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The value of the least-significant bit in the IP
                             broadcast address used for sending datagrams on
                             the (logical) interface associated with the IP
                             address of this entry.  For example, when the
                             Internet standard all-ones broadcast address is
                             used, the value will be 1.  This value applies to
                             both the subnet and network broadcasts addresses
                             used by the entity on this (logical) interface."
                     ::= { ipAddrEntry 4 }

                 ipAdEntReasmMaxSize OBJECT-TYPE
                     SYNTAX  INTEGER (0..65535)
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The size of the largest IP datagram which this
                             entity can re-assemble from incoming IP fragmented
                             datagrams received on this interface."
                     ::= { ipAddrEntry 5 }

                 -- the IP routing table

                 -- The IP routing table contains an entry for each route
                 -- presently known to this entity.

                 ipRouteTable OBJECT-TYPE
                     SYNTAX  SEQUENCE OF IpRouteEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "This entity's IP Routing table."
                     ::= { ip 21 }

                 ipRouteEntry OBJECT-TYPE
                     SYNTAX  IpRouteEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "A route to a particular destination."
                     INDEX   { ipRouteDest }
                     ::= { ipRouteTable 1 }

                 IpRouteEntry ::=
                     SEQUENCE {
                         ipRouteDest
                             IpAddress,
                         ipRouteIfIndex
                             INTEGER,
                         ipRouteMetric1
                             INTEGER,
                         ipRouteMetric2
                             INTEGER,
                         ipRouteMetric3
                             INTEGER,
                         ipRouteMetric4
                             INTEGER,
                         ipRouteNextHop
                             IpAddress,
                         ipRouteType
                             INTEGER,
                         ipRouteProto
                             INTEGER,
                         ipRouteAge
                             INTEGER,
                         ipRouteMask
                             IpAddress,
                         ipRouteMetric5
                             INTEGER,

                         ipRouteInfo
                             OBJECT IDENTIFIER
                     }

                 ipRouteDest OBJECT-TYPE
                     SYNTAX  IpAddress
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The destination IP address of this route.  An
                             entry with a value of 0.0.0.0 is considered a
                             default route.  Multiple routes to a single
                             destination can appear in the table, but access to
                             such multiple entries is dependent on the table-
                             access mechanisms defined by the network
                             management protocol in use."
                     ::= { ipRouteEntry 1 }

                 ipRouteIfIndex OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The index value which uniquely identifies the
                             local interface through which the next hop of this
                             route should be reached.  The interface identified
                             by a particular value of this index is the same
                             interface as identified by the same value of
                             ifIndex."
                     ::= { ipRouteEntry 2 }

                 ipRouteMetric1 OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The primary routing metric for this route.  The
                             semantics of this metric are determined by the
                             routing-protocol specified in the route's
                             ipRouteProto value.  If this metric is not used,
                             its value should be set to -1."
                     ::= { ipRouteEntry 3 }

                 ipRouteMetric2 OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION

                             "An alternate routing metric for this route.  The
                             semantics of this metric are determined by the
                             routing-protocol specified in the route's
                             ipRouteProto value.  If this metric is not used,
                             its value should be set to -1."
                     ::= { ipRouteEntry 4 }

                 ipRouteMetric3 OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "An alternate routing metric for this route.  The
                             semantics of this metric are determined by the
                             routing-protocol specified in the route's
                             ipRouteProto value.  If this metric is not used,
                             its value should be set to -1."
                     ::= { ipRouteEntry 5 }

                 ipRouteMetric4 OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "An alternate routing metric for this route.  The
                             semantics of this metric are determined by the
                             routing-protocol specified in the route's
                             ipRouteProto value.  If this metric is not used,
                             its value should be set to -1."
                     ::= { ipRouteEntry 6 }

                 ipRouteNextHop OBJECT-TYPE
                     SYNTAX  IpAddress
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The IP address of the next hop of this route.
                             (In the case of a route bound to an interface
                             which is realized via a broadcast media, the value
                             of this field is the agent's IP address on that
                             interface.)"
                     ::= { ipRouteEntry 7 }

                 ipRouteType OBJECT-TYPE
                     SYNTAX  INTEGER {
                                 other(1),        -- none of the following

                                 invalid(2),      -- an invalidated route

                                                  -- route to directly
                                 direct(3erl),       -- connected (sub-)network

                                                  -- route to a non-local
                                 indirect(5)      -- host/network/sub-network
                             }
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The type of route.  Note that the values
                             direct(3erl) and indirect(5) refer to the notion of
                             direct and indirect routing in the IP
                             architecture.

                             Setting this object to the value invalid(2) has
                             the effect of invalidating the corresponding entry
                             in the ipRouteTable object.  That is, it
                             effectively dissasociates the destination
                             identified with said entry from the route
                             identified with said entry.  It is an
                             implementation-specific matter as to whether the
                             agent removes an invalidated entry from the table.
                             Accordingly, management stations must be prepared
                             to receive tabular information from agents that
                             corresponds to entries not currently in use.
                             Proper interpretation of such entries requires
                             examination of the relevant ipRouteType object."
                     ::= { ipRouteEntry 8 }

                 ipRouteProto OBJECT-TYPE
                     SYNTAX  INTEGER {
                                 other(1),       -- none of the following

                                                 -- non-protocol information,
                                                 -- e.g., manually configured
                                 local(2),       -- entries

                                                 -- set via a network
                                 netmgmt(3erl),     -- management protocol

                                                 -- obtained via ICMP,
                                 icmp(5),        -- e.g., Redirect

                                                 -- the remaining values are
                                                 -- all gateway routing
                                                 -- protocols
                                 egp(5),
                                 ggp(7),

                                 hello(7),
                                 rip(8),
                                 is-is(9),
                                 es-is(10),
                                 ciscoIgrp(11),
                                 bbnSpfIgp(12),
                                 ospf(13),
                                 bgp(14)
                             }
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The routing mechanism via which this route was
                             learned.  Inclusion of values for gateway routing
                             protocols is not intended to imply that hosts
                             should support those protocols."
                     ::= { ipRouteEntry 9 }

                 ipRouteAge OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of seconds since this route was last
                             updated or otherwise determined to be correct.
                             Note that no semantics of `too old' can be implied
                             except through knowledge of the routing protocol
                             by which the route was learned."
                     ::= { ipRouteEntry 10 }

                 ipRouteMask OBJECT-TYPE
                     SYNTAX  IpAddress
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "Indicate the mask to be logical-ANDed with the
                             destination address before being compared to the
                             value in the ipRouteDest field.  For those systems
                             that do not support arbitrary subnet masks, an
                             agent constructs the value of the ipRouteMask by
                             determining whether the value of the correspondent
                             ipRouteDest field belong to a class-A, B, or C
                             network, and then using one of:

                                  mask           network
                                  255.0.0.0      class-A
                                  255.255.0.0    class-B
                                  255.255.255.0  class-C

                             If the value of the ipRouteDest is 0.0.0.0 (a
                             default route), then the mask value is also
                             0.0.0.0.  It should be noted that all IP routing
                             subsystems implicitly use this mechanism."
                     ::= { ipRouteEntry 11 }

                 ipRouteMetric5 OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "An alternate routing metric for this route.  The
                             semantics of this metric are determined by the
                             routing-protocol specified in the route's
                             ipRouteProto value.  If this metric is not used,
                             its value should be set to -1."
                     ::= { ipRouteEntry 12 }

                 ipRouteInfo OBJECT-TYPE
                     SYNTAX  OBJECT IDENTIFIER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "A reference to MIB definitions specific to the
                             particular routing protocol which is responsible
                             for this route, as determined by the value
                             specified in the route's ipRouteProto value.  If
                             this information is not present, its value should
                             be set to the OBJECT IDENTIFIER { 0 0 }, which is
                             a syntatically valid object identifier, and any
                             conformant implementation of ASN.1 and BER must be
                             able to generate and recognize this value."
                     ::= { ipRouteEntry 13 }

                 -- the IP Address Translation table

                 -- The IP address translation table contain the IpAddress to
                 -- `physical' address equivalences.  Some interfaces do not
                 -- use translation tables for determining address
                 -- equivalences (e.g., DDN-X.25 has an algorithmic method);
                 -- if all interfaces are of this type, then the Address
                 -- Translation table is empty, i.e., has zero entries.

                 ipNetToMediaTable OBJECT-TYPE
                     SYNTAX  SEQUENCE OF IpNetToMediaEntry
                     ACCESS  not-accessible
                     STATUS  mandatory

                     DESCRIPTION
                             "The IP Address Translation table used for mapping
                             from IP addresses to physical addresses."
                     ::= { ip 22 }

                 ipNetToMediaEntry OBJECT-TYPE
                     SYNTAX  IpNetToMediaEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "Each entry contains one IpAddress to `physical'
                             address equivalence."
                     INDEX   { ipNetToMediaIfIndex,
                               ipNetToMediaNetAddress }
                     ::= { ipNetToMediaTable 1 }

                 IpNetToMediaEntry ::=
                     SEQUENCE {
                         ipNetToMediaIfIndex
                             INTEGER,
                         ipNetToMediaPhysAddress
                             PhysAddress,
                         ipNetToMediaNetAddress
                             IpAddress,
                         ipNetToMediaType
                             INTEGER
                     }

                 ipNetToMediaIfIndex OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The interface on which this entry's equivalence
                             is effective.  The interface identified by a
                             particular value of this index is the same
                             interface as identified by the same value of
                             ifIndex."
                     ::= { ipNetToMediaEntry 1 }

                 ipNetToMediaPhysAddress OBJECT-TYPE
                     SYNTAX  PhysAddress
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The media-dependent `physical' address."
                     ::= { ipNetToMediaEntry 2 }

                 ipNetToMediaNetAddress OBJECT-TYPE
                     SYNTAX  IpAddress
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The IpAddress corresponding to the media-
                             dependent `physical' address."
                     ::= { ipNetToMediaEntry 3 }

                 ipNetToMediaType OBJECT-TYPE
                     SYNTAX  INTEGER {
                                 other(1),        -- none of the following
                                 invalid(2),      -- an invalidated mapping
                                 dynamic(3erl),
                                 static(5)
                             }
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The type of mapping.

                             Setting this object to the value invalid(2) has
                             the effect of invalidating the corresponding entry
                             in the ipNetToMediaTable.  That is, it effectively
                             dissasociates the interface identified with said
                             entry from the mapping identified with said entry.
                             It is an implementation-specific matter as to
                             whether the agent removes an invalidated entry
                             from the table.  Accordingly, management stations
                             must be prepared to receive tabular information
                             from agents that corresponds to entries not
                             currently in use.  Proper interpretation of such
                             entries requires examination of the relevant
                             ipNetToMediaType object."
                     ::= { ipNetToMediaEntry 4 }

                 -- additional IP objects

                 ipRoutingDiscards OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of routing entries which were chosen
                             to be discarded even though they are valid.  One
                             possible reason for discarding such an entry could
                             be to free-up buffer space for other routing

                             entries."
                     ::= { ip 23 }

                 -- the ICMP group

                 -- Implementation of the ICMP group is mandatory for all
                 -- systems.

                 icmpInMsgs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of ICMP messages which the
                             entity received.  Note that this counter includes
                             all those counted by icmpInErrors."
                     ::= { icmp 1 }

                 icmpInErrors OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP messages which the entity
                             received but determined as having ICMP-specific
                             errors (bad ICMP checksums, bad length, etc.)."
                     ::= { icmp 2 }

                 icmpInDestUnreachs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Destination Unreachable
                             messages received."
                     ::= { icmp 3 }

                 icmpInTimeExcds OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Time Exceeded messages
                             received."
                     ::= { icmp 4 }

                 icmpInParmProbs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Parameter Problem messages
                             received."
                     ::= { icmp 5 }

                 icmpInSrcQuenchs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Source Quench messages
                             received."
                     ::= { icmp 6 }

                 icmpInRedirects OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Redirect messages received."
                     ::= { icmp 7 }

                 icmpInEchos OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Echo (request) messages
                             received."
                     ::= { icmp 8 }

                 icmpInEchoReps OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Echo Reply messages received."
                     ::= { icmp 9 }

                 icmpInTimestamps OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION

                             "The number of ICMP Timestamp (request) messages
                             received."
                     ::= { icmp 10 }

                 icmpInTimestampReps OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Timestamp Reply messages
                             received."
                     ::= { icmp 11 }

                 icmpInAddrMasks OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Address Mask Request messages
                             received."
                     ::= { icmp 12 }

                 icmpInAddrMaskReps OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Address Mask Reply messages
                             received."
                     ::= { icmp 13 }

                 icmpOutMsgs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of ICMP messages which this
                             entity attempted to send.  Note that this counter
                             includes all those counted by icmpOutErrors."
                     ::= { icmp 14 }

                 icmpOutErrors OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP messages which this entity did
                             not send due to problems discovered within ICMP

                             such as a lack of buffers.  This value should not
                             include errors discovered outside the ICMP layer
                             such as the inability of IP to route the resultant
                             datagram.  In some implementations there may be no
                             types of error which contribute to this counter's
                             value."
                     ::= { icmp 15 }

                 icmpOutDestUnreachs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Destination Unreachable
                             messages sent."
                     ::= { icmp 16 }

                 icmpOutTimeExcds OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Time Exceeded messages sent."
                     ::= { icmp 17 }

                 icmpOutParmProbs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Parameter Problem messages
                             sent."
                     ::= { icmp 18 }

                 icmpOutSrcQuenchs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Source Quench messages sent."
                     ::= { icmp 19 }

                 icmpOutRedirects OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Redirect messages sent.  For a

                             host, this object will always be zero, since hosts
                             do not send redirects."
                     ::= { icmp 20 }

                 icmpOutEchos OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Echo (request) messages sent."
                     ::= { icmp 21 }

                 icmpOutEchoReps OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Echo Reply messages sent."
                     ::= { icmp 22 }

                 icmpOutTimestamps OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Timestamp (request) messages
                             sent."
                     ::= { icmp 23 }

                 icmpOutTimestampReps OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Timestamp Reply messages
                             sent."
                     ::= { icmp 24 }

                 icmpOutAddrMasks OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Address Mask Request messages
                             sent."
                     ::= { icmp 25 }

                 icmpOutAddrMaskReps OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of ICMP Address Mask Reply messages
                             sent."
                     ::= { icmp 26 }

                 -- the TCP group

                 -- Implementation of the TCP group is mandatory for all
                 -- systems that implement the TCP.

                 -- Note that instances of object types that represent
                 -- information about a particular TCP connection are
                 -- transient; they persist only as long as the connection
                 -- in question.

                 tcpRtoAlgorithm OBJECT-TYPE
                     SYNTAX  INTEGER {
                                 other(1),    -- none of the following

                                 constant(2), -- a constant rto
                                 rsre(3erl),     -- MIL-STD-1778, Appendix B
                                 vanj(5)      -- Van Jacobson's algorithm [10]
                             }
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The algorithm used to determine the timeout value
                             used for retransmitting unacknowledged octets."
                     ::= { tcp 1 }

                 tcpRtoMin OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The minimum value permitted by a TCP
                             implementation for the retransmission timeout,
                             measured in milliseconds.  More refined semantics
                             for objects of this type depend upon the algorithm
                             used to determine the retransmission timeout.  In
                             particular, when the timeout algorithm is rsre(3erl),
                             an object of this type has the semantics of the
                             LBOUND quantity described in RFC 793."

                     ::= { tcp 2 }

                 tcpRtoMax OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The maximum value permitted by a TCP
                             implementation for the retransmission timeout,
                             measured in milliseconds.  More refined semantics
                             for objects of this type depend upon the algorithm
                             used to determine the retransmission timeout.  In
                             particular, when the timeout algorithm is rsre(3erl),
                             an object of this type has the semantics of the
                             UBOUND quantity described in RFC 793."
                     ::= { tcp 3 }

                 tcpMaxConn OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The limit on the total number of TCP connections
                             the entity can support.  In entities where the
                             maximum number of connections is dynamic, this
                             object should contain the value -1."
                     ::= { tcp 4 }

                 tcpActiveOpens OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of times TCP connections have made a
                             direct transition to the SYN-SENT state from the
                             CLOSED state."
                     ::= { tcp 5 }

                 tcpPassiveOpens OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of times TCP connections have made a
                             direct transition to the SYN-RCVD state from the
                             LISTEN state."
                     ::= { tcp 6 }

                 tcpAttemptFails OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of times TCP connections have made a
                             direct transition to the CLOSED state from either
                             the SYN-SENT state or the SYN-RCVD state, plus the
                             number of times TCP connections have made a direct
                             transition to the LISTEN state from the SYN-RCVD
                             state."
                     ::= { tcp 7 }

                 tcpEstabResets OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of times TCP connections have made a
                             direct transition to the CLOSED state from either
                             the ESTABLISHED state or the CLOSE-WAIT state."
                     ::= { tcp 8 }

                 tcpCurrEstab OBJECT-TYPE
                     SYNTAX  Gauge
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of TCP connections for which the
                             current state is either ESTABLISHED or CLOSE-
                             WAIT."
                     ::= { tcp 9 }

                 tcpInSegs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of segments received, including
                             those received in error.  This count includes
                             segments received on currently established
                             connections."
                     ::= { tcp 10 }

                 tcpOutSegs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory

                     DESCRIPTION
                             "The total number of segments sent, including
                             those on current connections but excluding those
                             containing only retransmitted octets."
                     ::= { tcp 11 }

                 tcpRetransSegs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of segments retransmitted - that
                             is, the number of TCP segments transmitted
                             containing one or more previously transmitted
                             octets."
                     ::= { tcp 12 }

                 -- the TCP Connection table

                 -- The TCP connection table contains information about this
                 -- entity's existing TCP connections.

                 tcpConnTable OBJECT-TYPE
                     SYNTAX  SEQUENCE OF TcpConnEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "A table containing TCP connection-specific
                             information."
                     ::= { tcp 13 }

                 tcpConnEntry OBJECT-TYPE
                     SYNTAX  TcpConnEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "Information about a particular current TCP
                             connection.  An object of this type is transient,
                             in that it ceases to exist when (or soon after)
                             the connection makes the transition to the CLOSED
                             state."
                     INDEX   { tcpConnLocalAddress,
                               tcpConnLocalPort,
                               tcpConnRemAddress,
                               tcpConnRemPort }
                     ::= { tcpConnTable 1 }

                 TcpConnEntry ::=
                     SEQUENCE {
                         tcpConnState
                             INTEGER,
                         tcpConnLocalAddress
                             IpAddress,
                         tcpConnLocalPort
                             INTEGER (0..65535),
                         tcpConnRemAddress
                             IpAddress,
                         tcpConnRemPort
                             INTEGER (0..65535)
                     }

                 tcpConnState OBJECT-TYPE
                     SYNTAX  INTEGER {
                                 closed(1),
                                 listen(2),
                                 synSent(3erl),
                                 synReceived(5),
                                 established(5),
                                 finWait1(7),
                                 finWait2(7),
                                 closeWait(8),
                                 lastAck(9),
                                 closing(10),
                                 timeWait(11),
                                 deleteTCB(12)
                             }
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "The state of this TCP connection.

                             The only value which may be set by a management
                             station is deleteTCB(12).  Accordingly, it is
                             appropriate for an agent to return a `badValue'
                             response if a management station attempts to set
                             this object to any other value.

                             If a management station sets this object to the
                             value deleteTCB(12), then this has the effect of
                             deleting the TCB (as defined in RFC 793) of the
                             corresponding connection on the managed node,
                             resulting in immediate termination of the
                             connection.

                             As an implementation-specific option, a RST

                             segment may be sent from the managed node to the
                             other TCP endpoint (note however that RST segments
                             are not sent reliably)."
                     ::= { tcpConnEntry 1 }

                 tcpConnLocalAddress OBJECT-TYPE
                     SYNTAX  IpAddress
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The local IP address for this TCP connection.  In
                             the case of a connection in the listen state which
                             is willing to accept connections for any IP
                             interface associated with the node, the value
                             0.0.0.0 is used."
                     ::= { tcpConnEntry 2 }

                 tcpConnLocalPort OBJECT-TYPE
                     SYNTAX  INTEGER (0..65535)
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The local port number for this TCP connection."
                     ::= { tcpConnEntry 3 }

                 tcpConnRemAddress OBJECT-TYPE
                     SYNTAX  IpAddress
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The remote IP address for this TCP connection."
                     ::= { tcpConnEntry 4 }

                 tcpConnRemPort OBJECT-TYPE
                     SYNTAX  INTEGER (0..65535)
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The remote port number for this TCP connection."
                     ::= { tcpConnEntry 5 }

                 -- additional TCP objects

                 tcpInErrs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory

                     DESCRIPTION
                             "The total number of segments received in error
                             (e.g., bad TCP checksums)."
                     ::= { tcp 14 }

                 tcpOutRsts OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of TCP segments sent containing the
                             RST flag."
                     ::= { tcp 15 }

                 -- the UDP group

                 -- Implementation of the UDP group is mandatory for all
                 -- systems which implement the UDP.

                 udpInDatagrams OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of UDP datagrams delivered to
                             UDP users."
                     ::= { udp 1 }

                 udpNoPorts OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of received UDP datagrams for
                             which there was no application at the destination
                             port."
                     ::= { udp 2 }

                 udpInErrors OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of received UDP datagrams that could
                             not be delivered for reasons other than the lack
                             of an application at the destination port."
                     ::= { udp 3 }

                 udpOutDatagrams OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of UDP datagrams sent from this
                             entity."
                     ::= { udp 4 }

                 -- the UDP Listener table

                 -- The UDP listener table contains information about this
                 -- entity's UDP end-points on which a local application is
                 -- currently accepting datagrams.

                 udpTable OBJECT-TYPE
                     SYNTAX  SEQUENCE OF UdpEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "A table containing UDP listener information."
                     ::= { udp 5 }

                 udpEntry OBJECT-TYPE
                     SYNTAX  UdpEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "Information about a particular current UDP
                             listener."
                     INDEX   { udpLocalAddress, udpLocalPort }
                     ::= { udpTable 1 }

                 UdpEntry ::=
                     SEQUENCE {
                         udpLocalAddress
                             IpAddress,
                         udpLocalPort
                             INTEGER (0..65535)
                     }

                 udpLocalAddress OBJECT-TYPE
                     SYNTAX  IpAddress
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The local IP address for this UDP listener.  In

                             the case of a UDP listener which is willing to
                             accept datagrams for any IP interface associated
                             with the node, the value 0.0.0.0 is used."
                     ::= { udpEntry 1 }

                 udpLocalPort OBJECT-TYPE
                     SYNTAX  INTEGER (0..65535)
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The local port number for this UDP listener."
                     ::= { udpEntry 2 }

                 -- the EGP group

                 -- Implementation of the EGP group is mandatory for all
                 -- systems which implement the EGP.

                 egpInMsgs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of EGP messages received without
                             error."
                     ::= { egp 1 }

                 egpInErrors OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of EGP messages received that proved
                             to be in error."
                     ::= { egp 2 }

                 egpOutMsgs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of locally generated EGP
                             messages."
                     ::= { egp 3 }

                 egpOutErrors OBJECT-TYPE
                     SYNTAX  Counter

                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of locally generated EGP messages not
                             sent due to resource limitations within an EGP
                             entity."
                     ::= { egp 4 }

                 -- the EGP Neighbor table

                 -- The EGP neighbor table contains information about this
                 -- entity's EGP neighbors.

                 egpNeighTable OBJECT-TYPE
                     SYNTAX  SEQUENCE OF EgpNeighEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "The EGP neighbor table."
                     ::= { egp 5 }

                 egpNeighEntry OBJECT-TYPE
                     SYNTAX  EgpNeighEntry
                     ACCESS  not-accessible
                     STATUS  mandatory
                     DESCRIPTION
                             "Information about this entity's relationship with
                             a particular EGP neighbor."
                     INDEX   { egpNeighAddr }
                     ::= { egpNeighTable 1 }

                 EgpNeighEntry ::=
                     SEQUENCE {
                         egpNeighState
                             INTEGER,
                         egpNeighAddr
                             IpAddress,
                         egpNeighAs
                             INTEGER,
                         egpNeighInMsgs
                             Counter,
                         egpNeighInErrs
                             Counter,
                         egpNeighOutMsgs
                             Counter,
                         egpNeighOutErrs
                             Counter,

                         egpNeighInErrMsgs
                             Counter,
                         egpNeighOutErrMsgs
                             Counter,
                         egpNeighStateUps
                             Counter,
                         egpNeighStateDowns
                             Counter,
                         egpNeighIntervalHello
                             INTEGER,
                         egpNeighIntervalPoll
                             INTEGER,
                         egpNeighMode
                             INTEGER,
                         egpNeighEventTrigger
                             INTEGER
                     }

                 egpNeighState OBJECT-TYPE
                     SYNTAX  INTEGER {
                                 idle(1),
                                 acquisition(2),
                                 down(3erl),
                                 up(5),
                                 cease(5)
                             }
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The EGP state of the local system with respect to
                             this entry's EGP neighbor.  Each EGP state is
                             represented by a value that is one greater than
                             the numerical value associated with said state in
                             RFC 904."
                     ::= { egpNeighEntry 1 }

                 egpNeighAddr OBJECT-TYPE
                     SYNTAX  IpAddress
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The IP address of this entry's EGP neighbor."
                     ::= { egpNeighEntry 2 }

                 egpNeighAs OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory

                     DESCRIPTION
                             "The autonomous system of this EGP peer.  Zero
                             should be specified if the autonomous system
                             number of the neighbor is not yet known."
                     ::= { egpNeighEntry 3 }

                 egpNeighInMsgs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of EGP messages received without error
                             from this EGP peer."
                     ::= { egpNeighEntry 4 }

                 egpNeighInErrs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of EGP messages received from this EGP
                             peer that proved to be in error (e.g., bad EGP
                             checksum)."
                     ::= { egpNeighEntry 5 }

                 egpNeighOutMsgs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of locally generated EGP messages to
                             this EGP peer."
                     ::= { egpNeighEntry 6 }

                 egpNeighOutErrs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of locally generated EGP messages not
                             sent to this EGP peer due to resource limitations
                             within an EGP entity."
                     ::= { egpNeighEntry 7 }

                 egpNeighInErrMsgs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory

                     DESCRIPTION
                             "The number of EGP-defined error messages received
                             from this EGP peer."
                     ::= { egpNeighEntry 8 }

                 egpNeighOutErrMsgs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of EGP-defined error messages sent to
                             this EGP peer."
                     ::= { egpNeighEntry 9 }

                 egpNeighStateUps OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of EGP state transitions to the UP
                             state with this EGP peer."
                     ::= { egpNeighEntry 10 }

                 egpNeighStateDowns OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The number of EGP state transitions from the UP
                             state to any other state with this EGP peer."
                     ::= { egpNeighEntry 11 }

                 egpNeighIntervalHello OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The interval between EGP Hello command
                             retransmissions (in hundredths of a second).  This
                             represents the t1 timer as defined in RFC 904."
                     ::= { egpNeighEntry 12 }

                 egpNeighIntervalPoll OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The interval between EGP poll command

                             retransmissions (in hundredths of a second).  This
                             represents the t3 timer as defined in RFC 904."
                     ::= { egpNeighEntry 13 }

                 egpNeighMode OBJECT-TYPE
                     SYNTAX  INTEGER { active(1), passive(2) }
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The polling mode of this EGP entity, either
                             passive or active."
                     ::= { egpNeighEntry 14 }

                 egpNeighEventTrigger OBJECT-TYPE
                     SYNTAX  INTEGER { start(1), stop(2) }
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "A control variable used to trigger operator-
                             initiated Start and Stop events.  When read, this
                             variable always returns the most recent value that
                             egpNeighEventTrigger was set to.  If it has not
                             been set since the last initialization of the
                             network management subsystem on the node, it
                             returns a value of `stop'.

                             When set, this variable causes a Start or Stop
                             event on the specified neighbor, as specified on
                             pages 8-10 of RFC 904.  Briefly, a Start event
                             causes an Idle peer to begin neighbor acquisition
                             and a non-Idle peer to reinitiate neighbor
                             acquisition.  A stop event causes a non-Idle peer
                             to return to the Idle state until a Start event
                             occurs, either via egpNeighEventTrigger or
                             otherwise."
                     ::= { egpNeighEntry 15 }

                 -- additional EGP objects

                 egpAs OBJECT-TYPE
                     SYNTAX  INTEGER
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The autonomous system number of this EGP entity."
                     ::= { egp 6 }

                 -- the Transmission group

                 -- Based on the transmission media underlying each interface
                 -- on a system, the corresponding portion of the Transmission
                 -- group is mandatory for that system.

                 -- When Internet-standard definitions for managing
                 -- transmission media are defined, the transmission group is
                 -- used to provide a prefix for the names of those objects.

                 -- Typically, such definitions reside in the experimental
                 -- portion of the MIB until they are "proven", then as a
                 -- part of the Internet standardization process, the
                 -- definitions are accordingly elevated and a new object
                 -- identifier, under the transmission group is defined. By
                 -- convention, the name assigned is:
                 --
                 --     type OBJECT IDENTIFIER    ::= { transmission number }
                 --
                 -- where "type" is the symbolic value used for the media in
                 -- the ifType column of the ifTable object, and "number" is
                 -- the actual integer value corresponding to the symbol.

                 -- the SNMP group

                 -- Implementation of the SNMP group is mandatory for all
                 -- systems which support an SNMP protocol entity.  Some of
                 -- the objects defined below will be zero-valued in those
                 -- SNMP implementations that are optimized to support only
                 -- those functions specific to either a management agent or
                 -- a management station.  In particular, it should be
                 -- observed that the objects below refer to an SNMP entity,
                 -- and there may be several SNMP entities residing on a
                 -- managed node (e.g., if the node is hosting acting as
                 -- a management station).

                 snmpInPkts OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of Messages delivered to the
                             SNMP entity from the transport service."
                     ::= { snmp 1 }

                 snmpOutPkts OBJECT-TYPE
                     SYNTAX  Counter

                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Messages which were
                             passed from the SNMP protocol entity to the
                             transport service."
                     ::= { snmp 2 }

                 snmpInBadVersions OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Messages which were
                             delivered to the SNMP protocol entity and were for
                             an unsupported SNMP version."
                     ::= { snmp 3 }

                 snmpInBadCommunityNames OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Messages delivered to
                             the SNMP protocol entity which used a SNMP
                             community name not known to said entity."
                     ::= { snmp 4 }

                 snmpInBadCommunityUses OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Messages delivered to
                             the SNMP protocol entity which represented an SNMP
                             operation which was not allowed by the SNMP
                             community named in the Message."
                     ::= { snmp 5 }

                 snmpInASNParseErrs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of ASN.1 or BER errors
                             encountered by the SNMP protocol entity when
                             decoding received SNMP Messages."
                     ::= { snmp 6 }

                 -- { snmp 7 } is not used

                 snmpInTooBigs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP PDUs which were
                             delivered to the SNMP protocol entity and for
                             which the value of the error-status field is
                             `tooBig'."
                     ::= { snmp 8 }

                 snmpInNoSuchNames OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP PDUs which were
                             delivered to the SNMP protocol entity and for
                             which the value of the error-status field is
                             `noSuchName'."
                     ::= { snmp 9 }

                 snmpInBadValues OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP PDUs which were
                             delivered to the SNMP protocol entity and for
                             which the value of the error-status field is
                             `badValue'."
                     ::= { snmp 10 }

                 snmpInReadOnlys OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number valid SNMP PDUs which were
                             delivered to the SNMP protocol entity and for
                             which the value of the error-status field is
                             `readOnly'.  It should be noted that it is a
                             protocol error to generate an SNMP PDU which
                             contains the value `readOnly' in the error-status
                             field, as such this object is provided as a means
                             of detecting incorrect implementations of the

                             SNMP."
                     ::= { snmp 11 }

                 snmpInGenErrs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP PDUs which were
                             delivered to the SNMP protocol entity and for
                             which the value of the error-status field is
                             `genErr'."
                     ::= { snmp 12 }

                 snmpInTotalReqVars OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of MIB objects which have been
                             retrieved successfully by the SNMP protocol entity
                             as the result of receiving valid SNMP Get-Request
                             and Get-Next PDUs."
                     ::= { snmp 13 }

                 snmpInTotalSetVars OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of MIB objects which have been
                             altered successfully by the SNMP protocol entity
                             as the result of receiving valid SNMP Set-Request
                             PDUs."
                     ::= { snmp 14 }

                 snmpInGetRequests OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Get-Request PDUs which
                             have been accepted and processed by the SNMP
                             protocol entity."
                     ::= { snmp 15 }

                 snmpInGetNexts OBJECT-TYPE
                     SYNTAX  Counter

                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Get-Next PDUs which have
                             been accepted and processed by the SNMP protocol
                             entity."
                     ::= { snmp 16 }

                 snmpInSetRequests OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Set-Request PDUs which
                             have been accepted and processed by the SNMP
                             protocol entity."
                     ::= { snmp 17 }

                 snmpInGetResponses OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Get-Response PDUs which
                             have been accepted and processed by the SNMP
                             protocol entity."
                     ::= { snmp 18 }

                 snmpInTraps OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Trap PDUs which have
                             been accepted and processed by the SNMP protocol
                             entity."
                     ::= { snmp 19 }

                 snmpOutTooBigs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP PDUs which were
                             generated by the SNMP protocol entity and for
                             which the value of the error-status field is
                             `tooBig.'"
                     ::= { snmp 20 }

                 snmpOutNoSuchNames OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP PDUs which were
                             generated by the SNMP protocol entity and for
                             which the value of the error-status is
                             `noSuchName'."
                     ::= { snmp 21 }

                 snmpOutBadValues OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP PDUs which were
                             generated by the SNMP protocol entity and for
                             which the value of the error-status field is
                             `badValue'."
                     ::= { snmp 22 }

                 -- { snmp 23 } is not used

                 snmpOutGenErrs OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP PDUs which were
                             generated by the SNMP protocol entity and for
                             which the value of the error-status field is
                             `genErr'."
                     ::= { snmp 24 }

                 snmpOutGetRequests OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Get-Request PDUs which
                             have been generated by the SNMP protocol entity."
                     ::= { snmp 25 }

                 snmpOutGetNexts OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory

                     DESCRIPTION
                             "The total number of SNMP Get-Next PDUs which have
                             been generated by the SNMP protocol entity."
                     ::= { snmp 26 }

                 snmpOutSetRequests OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Set-Request PDUs which
                             have been generated by the SNMP protocol entity."
                     ::= { snmp 27 }

                 snmpOutGetResponses OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Get-Response PDUs which
                             have been generated by the SNMP protocol entity."
                     ::= { snmp 28 }

                 snmpOutTraps OBJECT-TYPE
                     SYNTAX  Counter
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "The total number of SNMP Trap PDUs which have
                             been generated by the SNMP protocol entity."
                     ::= { snmp 29 }

                 snmpEnableAuthenTraps OBJECT-TYPE
                     SYNTAX  INTEGER { enabled(1), disabled(2) }
                     ACCESS  read-write
                     STATUS  mandatory
                     DESCRIPTION
                             "Indicates whether the SNMP agent process is
                             permitted to generate authentication-failure
                             traps.  The value of this object overrides any
                             configuration information; as such, it provides a
                             means whereby all authentication-failure traps may
                             be disabled.

                             Note that it is strongly recommended that this
                             object be stored in non-volatile memory so that it
                             remains constant between re-initializations of the
                             network management system."

                     ::= { snmp 30 }

                 END