Huawei AR1200 Series Configuration Guide

3.13.1 Establishing the Configuration Task
Before configuring IP FRR for the private network, familiarize yourself with the applicable
environment, pre-configuration tasks, and required data. This can help you complete the
configuration task quickly and accurately.
Applicable Environment
VPN IP FRR is applicable to the IP services that are sensitive to packet loss and delay on a VPN.
When the next hop of the primary route from a PE to a CE becomes unreachable, traffic can be
quickly switched to another link after VPN IP FRR is configured. This feature prevents
interruption of IP services.
Pre-configuration Tasks
Before configuring IP FRR of private network, complete the following tasks:
l Configuring the routing protocol on the router to enable the connectivity between network
devices
l Setting up the VPN network
l Generating two unequal-cost routes by configuring different metrics
Data Preparation
To configure the IP FRR of private network, you need the following data.
No.
Data
1 Name of the routing policy
2 Name of the VPN instance
3 Outbound interface of the backup route
4 Next hop of the backup route
3.13.2 Configuring Manual IP FRR in a Private Network
You can designate a backup next hop (a CE) to redirect the VPN traffic to the backup CE When
the next hop of the primary route from a PE to a CE becomes unreachable.
Context
Perform the following steps on the PE.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Huawei AR1200 Series Enterprise Routers
Configuration Guide - VPN 3 BGP MPLS IP VPN Configuration
Issue 01 (2012-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Huawei AR1200 Series Specifications

General

Brand	Huawei
Model	AR1200 Series
Category	Network Router
Language	English