Huawei v200r001 VII. Enable/disable hiding AV pairs, Disable hiding AV pairs by default

User Manual - Configuration Guide (Volume 3)	Chapter 2
Versatile Routing Platform	Configuration of L2TP

z“dnisonly” (Search only according to called number)

z“domaindnis” (First search according to domain name, then according to called number)

z“domainonly” (Search only according to domain name)

Perform the following task in global configuration mode.

Table VPN-2-14Set domain name delimiter and search sequence

Operation	Command
Set prefix delimiter	Vpdn domain-delimiter prefix prefix-delimiters
Cancel the set prefix delimiter	no vpdn domain-delimiter prefix
Set suffix delimiter	vpdn domain-delimiter suffix suffix-delimiters
Cancel the set suffix delimiter	no vpdn domain-delimiter suffix
Set search order	vpdn search-order { dnisdomain dnisonly domaindnis domainonly }
Recover the default search order	no vpdn search-order

By default, first search according to called number, then according of domain name.

VI. Set the size of receiving window of channel flow control.

L2TP has simple flow control function. The users can designate the size of channel receiving window to control the flow.

Perform the following task in the configuration mode of VPDN group.

Table VPN-2-15Set the size of receiving window of channel flow control

Operation	Command
Set the size of receiving window of channel flow control.	l2tp flow-control receive-window size
Disable to use the function of receiving window of channel flow control.	no l2tp flow-control receive-window

By default, the size of receiving window of channel flow control is 0 (no flow control). The value of “size” ranges between 0 and 100.

VII. Enable/disable hiding AV pairs

L2TP enables hiding AV pairs. The feature is very useful when PAP or agent authentication is used between LAC and LNS. When AV pairs are hidden, L2TP hiding algorithm will be executed so that AV pairs can encrypt user name and password transmitted in clear text during agent certification.

Perform the following task in the configuration mode of VPDN group.

Table VPN-2-16Enable/disable hiding AV pairs

Operation	Command
Enable hiding AV pairs	l2tp hidden
Disable showing AV pairs	no l2tp hidden

Disable hiding AV pairs by default.

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