Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 1 L2TP Configuration Commands
3Com Corporation
1-15
Use the undo l2tp tunnel authentication command to disable L2TP tunnel
authentication.
By default, L2TP tunnel authentication is performed.
L2TP tunnel authentication is permitted by default. Normally, authentication needs to
be performed on both ends of the tunnel for security’s sake. In case of network
connectivity test or receiving connection sent by nameless peer end, tunnel
authentication is not required.
Example
# Set not to authenticate the peer end of the tunnel.
[Quidway-l2tp1] undo tunnel authentication
1.1.20 tunnel avp-hidden
Syntax
tunnel avp-hidden
undo tunnel avp-hidden
View
L2TP group view
Parameter
None
Description
Use the tunnel avp-hidden command to configure Attribute Value Pair (AVP) data to
be transmitted in hidden format.
Use the undo tunnel avp-hidden command to restore the default transmission way of
AVP data.
By default, the tunnel transmits AVP data in plain text.
Some parameters of L2TP protocol are transmitted by AVP data. If high data security is
desired, this command can be used to configure AVP data to be transmitted in hidden
format.
Example
# Set AVP data to be transmitted in hidden format.
[Quidway-l2tp1] tunnel avp-hidden
1.1.21 tunnel flow-control