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Figure 11-4
L2TP 2:1 hot backup
LAC3
LNS2
VRRP
Internet
Loopback
User
Network
L2T
P Tu
nnel
L2T
P T
unn
el
LAC2
LNS1
LAC1
VRRP
Internet
Loopback
Loopback
User
Network
L2T
P Tu
nne
l
L2T
P T
unn
el
Backup
channel
Protection
tunnel
Backup
channel
Protection
tunnel
Pre-configuration Tasks
Before configuring L2TP two-node hot backup, complete the following tasks:
l
Establish a multi-node backup platform.
l
Configure multi-node backup for BRAS user information, excluding the address pool
configuration.
Data Preparation
To configure L2TP two-node hot backup, you need the following data.
No.
Data
1
Base value for L2TP tunnel IDs
HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
11 Multi-node Backup Configuration
Issue 02 (2014-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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