3Com Switch 8800 Family IPsec Module Configuration and Command reference Guide

LNS Configuration 115
Enabling/disabling the LAC client to set up L2TP Tunnel
Perform the following configuration in virtual template interface view.
By default, the LAC client is disabled to set up L2TP Tunnel.
LNS Configuration In LNS configuration task list, L2TP must be enabled and L2TP group must be
created before any other functions can be configured. Regarding the
configuration of L2TP supporting multi-domain, no configurations can become
valid unless the L2TP multi-domain function is enabled. For detailed introduction
to related commands of PPP and Virtual-Template interfaces, refer to
corresponding chapters and sections.
The major configuration tasks on LNS side include:
■ Enable L2TP (required)
■ Enable/disable the L2TP multi-domain function (optional)
■ Create L2TP group (required)
■ Create virtual template interface (required)
■ Set the parameters for call receiving (required)
■ Set local name (optional)
■ Set Tunnel authentication and password (optional)
■ Set the transmission mode of AVP data (optional)
■ Set Hello interval in the Tunnel (optional)
■ Configure mandatory local CHAP authentication (optional)
■ Configure mandatory LCP renegotiation (optional)
■ Set local address and assigned address pool (optional)
■ Set user name and password and configure user authentication (optional)
■ Disconnect Tunnel by force(optional)
■ Set the flow control function of Tunnel (optional)
■ Set the L2TP session timeout timer (optional)
Enabling L2TP Only after L2TP is enabled can L2TP functions on the security gateway work
normally. If L2TP is disabled, the security gateway cannot provide related functions
even if parameters of L2TP have been configured.
Configure the username and
password for PAP authentication
ppp pap local-user user-name password { simple |
cipher } password
Tab le 101 Enable/disable the LAC client to set up L2TP Tunnel
Operation Command
Enable the LAC client to set up L2TP Tunnel l2tp-auto-client enable
Disable the LAC client to set up L2TP Tunnel undo l2tp-auto-client enable
Table 100 Configure the parameters of the virtual template interface
Operation Command