User Manual - Configuration Guide (Volume 3)
Versatile Routing Platform Chapter 2
Configuration of L2TP
2-9
II. Create VPDN group
LAC and LNS can establish L2TP tunnel only on specific VPDN group.
Perform the following task in global configuration mode.
Table VPN-2-7 Create VPDN group
Operation Command
Create VPDN group. vpdn group group-number
Delete VPDN group. no vpdn group group-number
No VPDN group is created by default. The value of “group-number” may be an integer
between 1 and 3000.
III. Create/delete virtual interface template
Virtual template is mainly used to configure operational parameters of dynam ically
creating virtual interface in router operation.
Perform the following task in global configuration mode.
Table VPN2-8 Create/delete virtual interface template
Operation Command
Create virtual interface template. interface virtual-template virtual-template-number
Delete virtual interface template. no interface virtual-template virtual-template-number
By default, the value of virtual-template-number” is 1, which may be an integer between
1 and 25.
After creating virtual template, designate IP address of virtual tem plate and
encapsulate PPP protocol, then the virtual template can work. The users can select to
configure authentication on virtual template interface as require d.
IV. Set receiving the connection request to originate L2TP channel
After receiving the channel establishment request originated at LAC side, ch annel
establishment depends on LAC name.
Perform the following task in the configuration mode of VPDN group.
Table VPN-2-9 Set to receive the connection request to originate L2TP channel
Operation Command
Set to receive the connection request to originate L2TP
channel. accept dialin l2tp virtual-template virtual-
template-number [remote remote-name ]
Delete the connection request to originate L2TP channel. no accept dialin
When VPDN group 1 is used, it is not necessary to specify channel opposite end name
remote-name”. If the opposite end name is designated in the configuration mode of
VPDN group 1, VPDN 1 will not be the default VPDN group.