admin-vrrp vrid 1 ignore-if-down
#
return
12.6.6 Example for Configuring L2NAT Service Backup Between
Two CGN Devices (Distributed Deployment Mode)
This section provides an example for configuring L2NAT service backup between two CGN
devices in distributed mode.
Networking Requirements
In distributed service deployment, CGN1 and CGN2 are deployed on boards of two BRASs, no
link connect the two CGN devices. To meet the requirements that one VRRP backup group is
created for BRAS and CGN services, and the slave device must synchronize with the master
device in the VRRP backup group.
Figure 12-16
L2NAT service backup between two CGN devices (Distributed Deployment
Mode)
CGN1
CGN2
CR
GE3/0/0
GE3/0/1
GE2/0/0
192.168.2.10
GE2/0/1
192.168.2.100
IP MAN
SWITCH
PC1
PC2
User-Side VRRP
Virtual-ip:192.168.2.200
Usage Scenario
CGN1 is equipped with one service board, which is installed in slot 1. CGN2 is equipped with
one service board, which is installed in slot 1. L2NAT services are backed up between CPU0 in
slot 1 on CGN1 and CPU0 in slot 1 on CGN2.
HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
12 CGN Backing Up HA Configuration
Issue 02 (2014-09-30)
Huawei Proprietary and Confidential
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