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Figure 12-12
Inter-chassis HA backup for DS-Lite services in centralized deployment scenarios
CGN1
CR1
IPv4
network
CPE
IPv4
host
IPv6-only SP network
Subscriber network
Internet
Tunnel
BRAS
IPv6
MAN
G
E
3
/1
/7
G
E
3
/1
/7
GE
3/1
/6
GE
1/0
/1
CGN2
CR2
Scenario Requirements
A service board is installed on CGN1 and is located in slot 1. A service board is installed on
CGN2 and is located in slot 2. Configure the two CGNs to implement HA backup for DS-Lite
services between CPU 0 in CGN1's slot 1 and CPU 0 in CGN2's slot 2.
Figure 12-13
Inter-chassis HA backup
Configuration Roadmap
The configuration roadmap is as follows:
HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
12 CGN Backing Up HA Configuration
Issue 02 (2014-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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