DESCRIPTION Subclass for Ciena Devices running SAOS

   Inherited Classes
       SNMP::Info::Layer3

   Required MIBs
       WWP-LEOS-SW-XGRADE-MIB
       WWP-LEOS-BLADE-MIB
       WWP-LEOS-CHASSIS-MIB
       WWP-LEOS-FLOW-MIB
       WWP-LEOS-PORT-MIB
       WWP-LEOS-VLAN-TAG-MIB
       WWP-PRODUCTS-MIB

   Inherited Classes' MIBs
       See "Required MIBs" in SNMP::Info::Layer3 for its own MIB requirements.

GLOBALS

       These are methods that return scalar value from SNMP

       $ciena->vendor()
           Returns 'ciena'

       $ciena->os()
           Returns 'saos'

       $ciena->os_ver()
           Returns the running software package extracted with "wwpLeosBladeRunPackageVer"

       $ciena->serial()
           Returns serial number ("wwpLeosSystemSerialNumber")

       $ciena->mac()
           Returns the MAC address used by this bridge when it must be referred to in a unique
           fashion.

           ("dot1dBaseBridgeAddress")

       $huawei->fan()
           Return the status of all fans. Returns a string indicating the number of fans 'OK'  or
           identification of any fan without a 'normal' operating status.

       $ciena->ps1_status()
           Return the status of the first power supply

       $ciena->ps1_type()
           Return the type of the first power supply

       $ciena->ps2_status()
           Return the status of the second power supply

       $ciena->ps2_type()
           Return the type of the second power supply

   Globals imported from SNMP::Info::Layer3
       See documentation in "GLOBALS" in SNMP::Info::Layer3 for details.

TABLE METHODS

       These are methods that return tables of information in the form of a reference to a hash.

       $ciena->lldp_if()
           Returns the mapping to the SNMP Interface Table. Overridden to translate to correct
           ethernet port with bp_index

       $ciena->i_vlan()
           Returns a mapping between "ifIndex" and the PVID or default VLAN.

       $ciena->i_vlan_membership()
           Returns reference to hash of arrays: key = "ifIndex", value = array of VLAN IDs.

       $ciena->qb_fw_vlan()
           Returns reference to hash of forwarding table entries VLAN ID, using
           "wwpLeosFlowLearnType"

       $ciena->ps_name()
           Returns reference to hash of the power supplies and their names.

       $ciena->ps_type()
           Returns reference to hash of the power supplies and their type (ex. AC, DC, etc.)

       $ciena->ps_status()
           Returns reference to hash of the power supplies and their status.

       $ciena->fan_name()
           Returns reference to hash of fans and their names. In this case, it is simply a
           number.

       $ciena->fan_type()
           Returns reference to hash of fans and their types (ex. fixed, modular, etc.)

       $ciena->fan_status)
           Returns reference to hash of fans and their status