Provided by: l2tpns_2.3.3-2_amd64
l2tpns - Layer 2 tunneling protocol network server (LNS)
l2tpns [-d] [-v] [-c file] [-h hostname]
l2tpns is a daemon for terminating layer 2 tunneling protocol (L2TP: RFC2661) sessions. l2tpns is a complete L2TP implementation. It supports the LAC, LNS, PPPOE and DHCPv6 server. Once running, l2tpns may be controlled by telnetting to port 23 on the machine running the daemon and with the nsctl utility.
-d Detach from terminal and fork into the background. By default l2tpns will stay in the foreground -v Increase verbosity for debugging. Can be used multiple times -c file Specify configuration file -h hostname Force hostname to hostname
/etc/l2tpns/startup-config The default configuration file /etc/l2tpns/ip_pool IP address pool configuration /etc/l2tpns/users Username/password configuration for access to admin interface
SIGHUP Reload the config from disk and re-open log file SIGTERM, SIGINT Stop process. Tunnels and sessions are not terminated. This signal should be used to stop l2tpns on a cluster node where there are other machines to continue handling traffic SIGQUIT Shut down tunnels and sessions, exit process when complete
MANAGED RADIUS ATTRIBUTE
Ascend-Client-Primary-DNS, Ascend-Client-Secondary-DNS Specifies a primary and secondary DNS server address to send to user Delegated-IPv6-Prefix Assign a network address IPv6 prefix to a user by DHCPv6 Framed-IP-Address The address to be configured for the user (IPv4 address of the interface ppp) Framed-Route provides routing information to be configured for the user Framed-IPv6-Route Has the same action as Delegated-IPv6-Prefix. Delegated-IPv6-Prefix is the correct one to use Framed-IPv6-Address IPv6 address to be assigned to the user by DHCPv6 (IPv6 address of the interface ppp) Idle-Timeout disconnects the session if no data for more than Idle-Timeout (in seconds) Session-Timeout disconnects the user session when the time Session-Timeout is reached (in seconds) Tunnel-Type, Tunnel-Medium-Type, Tunnel-Server-Endpoint, Tunnel-Password, Tunnel- Assignment-Id attributes returned by the Radius of the remote LNS server (LAC functionality) example, Radius that return the information of 2 remote LNS server with which must be open a L2TP TUNNEL: - Tunnel-Type: 1 = L2TP - Tunnel-Medium-Type: 1 = IPv4 - Tunnel-Password: 1 = "TheSecretL2TP" - Tunnel-Server-Endpoint: 1 = "88.xx.xx.x1" - Tunnel-Assignment-Id: 1 = "friendisp_lns1" - Tunnel-Type: 2 = L2TP - Tunnel-Medium-Type: 2 = IPv4 - Tunnel-Password: 2 = "TheSecretL2TP" - Tunnel-Server-Endpoint: 2 = "88.xx.xx.x2" - Tunnel-Assignment-Id: 2 = "friendisp_lns2"
This manual page was written by Jonathan McDowell <email@example.com> and Fernando Alves (<firstname.lastname@example.org>), for the Debian GNU/Linux system (but may be used by others). Layer 2 tunneling protocol network serverJanuary 31, 2021 L2TPNS(8)