Huawei quidway s7700 Configuration Manual page 236

Smart routing switch

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Table of Contents

Quidway S7700 Smart Routing Switch

Configuration Guide - VPN

Figure 3-9 Networking diagram for configuring inter-AS VPN Option A

Configuration Roadmap

The configuration roadmap is as follows:

Data Preparation

To complete the configuration, you need the following data:

Step 1 Create VLANs and specify the VLAN IDs that are allowed by the interfaces, as shown in

The configuration procedure is not mentioned here.

Step 2 On the MPLS backbone networks in AS 100 and AS 200, configure an IGP protocol so that the

PEs and the ASBRs on the network can communicate with each other.

The OSPF protocol is used in this example and the configuration procedure is not mentioned

Issue 01 (2011-07-15)

BGP/MPLS Backbone

192.1.1.1/24

172.1.1.1/24

172.1.1.2/24

Set up the EBGP peer relation between the PE and the CE and set up MP-IBGP peer relation

between the PE and the ASBR.

Create a VPN instance on the two ASBR-PEs and bind the VPN instance to the interface

connected to the other ASBR-PE (regarding the ASBR-PE as its CE) and set up the EBGP

peer relation between the ASBR-PEs.

MPLS LSR IDs of PEs and ASBR-PEs

VPN instance names, RDs, and VPN targets for the PEs and ABSR-PEs

Huawei Proprietary and Confidential

3 BGP MPLS IP VPN Configuration

BGP/MPLS Backbone

192.1.1.2/24

162.1.1.1/24

162.1.1.2/24