Huawei AR1200 Series Configuration Guide

Example
Run the display ip routing-table vpn-instance vpn-instance-name [ ip-address ] verbose
command on the PE, and you can view the backup outgoing interface and the backup next hop
of the VPN instance.
<Huawei> display ip routing-table vpn-instance vpn1 10.5.1.0 verbose
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Table : vpn1
Summary Count : 1
Destination: 10.5.1.0/24
Protocol: OSPF Process ID: 1
Preference: 10 Cost: 3
NextHop: 10.1.1.2 Neighbour: 0.0.0.0
State: Active Adv Age: 00h00m03s
Tag: 0 Priority: low
Label: NULL QoSInfo: 0x0
IndirectID: 0x0
RelayNextHop: 0.0.0.0 Interface: GigabitEthetnet1/0/0
TunnelID: 0x0 Flags: D
BkNextHop: 10.2.1.2 BkInterface: GigabitEthetnet2/0/0
BkLabel: NULL SecTunnelID: 0x0
BkPETunnelID: 0x0 BkPESecTunnelID: 0x0
BkIndirectID: 0x0
3.14 Configuring VPN FRR
In the networking of CE dual-homing, you can configure VPN FRR to ensure the end-to-end
VPN service fast switchover if the PE fails.
3.14.1 Establishing the Configuration Task
Before configuring VPN FRR, familiarize yourself with the applicable environment, complete
the pre-configuration tasks, and obtain the required data. This can help you complete the
configuration task quickly and accurately.
Applicable Environment
It is applied to the service sensitive to packet loss or delay in the private network.
Pre-configuration Tasks
Before configuring VPN FRR, complete the following tasks:
l Configuring the routing protocol on the routers to achieve internetworking
l Generating two unequal-cost routes by configuring different metrics
l Setting up the VPN network
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.
133

Huawei AR1200 Series Specifications

General

Brand	Huawei
Model	AR1200 Series
Category	Network Router
Language	English