Tunnel Avp-Hidden - H3C MSR 20-20 Command Reference Manual

View
Parameter
Description
Example

tunnel avp-hidden

Syntax
View
Parameter
Description
Example
undo tunnel authentication
L2TP group view
None
Use the
tunnel authentication
authentication function.
Use the
undo tunnel authentication
authentication function.
By default, L2TP tunnel authentication function is enabled.
Generally, authentication is required at both ends of a tunnel for the sake of
security. However, you can disable the authentication when you check network
connectivity or it is required to receive tunneling requests from unknown tunnel
peers.
# Disable L2TP tunnel authentication.
<Sysname> system-view
[Sysname] l2tp-group 1
[Sysname-l2tp1] undo tunnel authentication
tunnel avp-hidden
undo tunnel avp-hidden
L2TP group view
None
Use the
tunnel avp-hidden
(AVP) data in hidden mode.
Use the
undo tunnel avp-hidden
By default, AVP data is transferred over a tunnel in plain text mode.
Note that:
Some parameters of L2TP are transferred in AVP data. You can use the tunnel
■
avp-hidden command to transfer AVP data in hidden mode for higher
security.
The tunnel avp-hidden command is available for only LACs.
■
# Transfer AVP data in hidden mode.
command to enable the L2TP tunnel
command to disable the L2TP tunnel
command to specify to transfer attribute value pair
command to restore the default.
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