3Com 3C13636 Configuration Manual page 1216

3Com Router 3000 Ethernet Family
Configuration Guide
Table 2-4 Set local Tunnel name
Set local Tunnel name.
Restore the default local Tunnel name.
By default, local tunnel name is the hostname of the router.
2.2.5 Setting Tunnel Authentication and Password
As needed, a user can decide whether to start tunnel authentication before creating
tunnel connection. Tunnel authentication request can be sent by either LAC side or
LNS side. If one end of a tunnel starts tunnel authentication, the other end must also
start tunnel authentication in order to set up the tunnel connection. In addition, both
ends must use the same password, which cannot be void. Otherwise, the local end will
disconnect the tunnel automatically. If tunnel authentication is disabled on both ends,
the consistency of password will be insignificant.
These configurations are optional on LAC side.
Perform the following configuration in L2TP group view.
Table 2-5 Set Tunnel authentication and authentication password
Start Tunnel authentication.
Disable Tunnel authentication.
Set the
authentication.
Restore
authentication to the default.
By default, tunnel authentication is enabled, with password of tunnel authentication
being null. For the sake of tunnel security, it is not suggested to disable tunnel
authentication.
2.2.6 Configuring AVP Hiding
L2TP uses attribute value pair (AVP) to transfer and negotiate some parameter
attributes. By default, AVP is transferred in simple text. For security, users can hide AVP
data in transmission by using the following configuration. AVP hiding only works when
both of the two ends use tunnel authentication.
These configurations are optional on LAC side.
Perform the following configuration in L2TP group view.
Operation
Operation
password of
the password of
3Com Corporation
Chapter 2 Configuration of L2TP
tunnel name name
undo tunnel name
tunnel authentication
undo tunnel authentication
Tunnel tunnel password { simple | cipher }
password
Tunnel
undo tunnel password
2-9
Command
Command