H3C Technologies H3C SecPath F1000-E - Manual (Page 815)

7
L2TP supports LNS backup. When the connection to the primary LNS is torn down, an LAC can establish
a new one with a secondary LNS, enhancing the reliability and fault tolerance of VPN services.
Protocols and Standards
• RFC 1661: The Point-to-Point Protocol (PPP)
• RFC 1918: Address Allocation for Private Internets
• RFC 2661: Layer Two Tunneling Protocol "L2TP"
Configuring L2TP
NOTE:
At present, you can perform only the LNS configuration through Web.
L2TP Configuration Task List
Perform the tasks in Table 1 to configure L2TP on the LNS.
Table 1 L2TP configuration task list
Task Remarks
Enabling L2TP
Required
By default, L2TP is disabled.
Adding an L2TP Group
Required
Create a L2TP group and configure L2TP group related parameters.
By default, no L2TP group is created.
Displaying L2TP Tunnel
Information Optional
View the L2TP tunnel information.
Enabling L2TP
Select VPN > L2TP > L2TP Config from the navigation tree to enter the L2TP configuration page, as
shown in Figure 8 . On the upper part of the page, you can enable or disable L2TP.