Tunnel Authentication; Tunnel Avp-Hidden - H3C MSR Series Command Reference Manual

tunnel authentication

Use tunnel authentication to enable the L2TP tunnel authentication function.
Use undo tunnel authentication to disable the L2TP tunnel authentication function.
Syntax
tunnel authentication
undo tunnel authentication
Default
L2TP tunnel authentication is enabled.
Views
L2TP group view
Predefined user roles
network-admin
Usage guidelines
Tunnel authentication prevents the local end from establishing L2TP tunnels with illegal remote ends.
If the LAC (or LNS) is enabled with tunnel authentication, to successfully establish a tunnel, enable tunnel
authentication on the peer, and configure the same non-null key (by using the tunnel password command)
on the LAC (or LNS) and the peer.
Examples
# Enable L2TP tunnel authentication.
<Sysname> system-view
[Sysname] l2tp-group 1 mode lns
[Sysname-l2tp1] tunnel authentication

tunnel avp-hidden

Use tunnel avp-hidden to enable transferring AVP data in hidden mode.
Use undo tunnel avp-hidden to restore the default.
Syntax
tunnel avp-hidden
undo tunnel avp-hidden
Default
AVP data is transferred over the tunnel in plaintext mode.
Views
L2TP group view
Predefined user roles
network-admin
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