Method used to configure the AVP hiding transmission for the L2TP VPN on the USG2000 or USG5000

The AVP hiding transmission scenarios and commands are as follows:

Certain parameters of the L2TP are transmitted over AVP data. If a user has a higher requirement for the data security, the AVP data can be hidden during transmission. The AVP data hiding function takes effect only when both ends of a tunnel enable the tunnel verification.
By default, the tunnel transmits AVP data in plaintext.
tunnel avp-hidden
Command function:
The tunnel avp-hidden command is used to configure the system to transmit the AVP data in hidden mode.
The undo tunnel avp-hidden command is used to restore the default transmission mode of AVP data.
Command format:
tunnel avp-hidden
undo tunnel avp-hidden
Use guide:
By default, the tunnel transmits AVP data in plaintext. The AVP data hiding function takes effect only when both ends of a tunnel enable the tunnel verification.
Certain parameters of the L2TP are transmitted over AVP data. If a user has a higher requirement for the data security, the AVP data can be hidden during transmission.
Example:
#Set the system to transmit the AVP data in hidden mode.
system-view
[sysname] l2tp-group 1
[sysname-l2tp-1] tunnel avp-hidden

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