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

112 CHAPTER 8: CONFIGURATION OF L2TP
By default, no local username and password are configured at the LAC side.
Configuring PPP user authentication mode
Perform the following configuration in virtual template interface view.
User authentication is not configured by default. The interface where you
configure local authentication must be the one connected to users.
Configuring a PPP domain user and an authentication scheme
Disconnecting an L2TP
Connection
A connection can be disconnected for one of these reasons: no user is present,
fault occurs on the network, or the administrator requests to do so.
Both LAC side and LNS side can start Tunnel disconnection. After a Tunnel is
disconnected, the control connection and sessions on it are cleared. This Tunnel
can be set up when a new user dials in.
These configurations are optional on LAC side.
Perform the following configurations in user view.
Setting Flow Control
Function of Tunnel
This configuration can enable/disable the flow control function on a Tunnel.
Configure local user password (in local user
view)
password { simple | cipher } password
Tabl e 92 Configure/Cancel PPP user authentication mode
Operation Command
Configure a PPP user
authentication mode
ppp authentication-mode { chap | pap } [ call-in ] [ domain
isp-name ]
Disable PPP user
authentication
undo ppp authentication-mode
Tabl e 93 Configure a PPP domain user and an authentication scheme
Operation Command
Create an ISP domain and enter its view (in
system view)
domain { isp-name | default { disable |
enable isp-name } }
Delete the specified ISP domain (in system
view
undo domain isp-name
Configure the local authentication scheme for
the PPP domain user. (in ISP domain view)
scheme local
Table 91 Configure a username and password
Operation Command
Tabl e 94 Disconnect a connection
Operation Command
Disconnect a Tunnel reset l2tp tunnel {name remote-name | id tunnel-id }
Disconnect a session reset l2tp session session-id
Disconnect a user reset l2tp user user-name user-name