3.5.4 Associating an Interface with the VPN Instance
3.5.5 Configuring Routing Exchange Between Hub-PE and Spoke-PE
3.5.6 Configuring Routing Exchange Between CE and PE
3.5.7 Checking the Configuration
3.5.1 Establishing the Configuration Task
Applicable Environment
If a center access control device is configured on the VPN, the users on the VPN can access each
other through this device. To configure a center access control device, you can deploy the
Hub&Spoke networking. Then, the communication data between the Spoke sites traverses the
Hub sites.
Pre-configuration Tasks
Before configuring the Hub&Spoke, complete the following tasks:
l Configuring IGP on the P and PE on the MPLS backbone network to implement IP
connectivity
l Configuring basic MPLS functions on the P and PE on the MPLS backbone network
l Configuring IP addresses of the interfaces connecting CE to PE
Data Preparation
To configure the Hub&Spoke, you need the following data.
No.
Data
1 VPN instance data:
l VPN instance name and RD
l (Optional) Description of the VPN instance
l VPN target attributes
l (Optional) Routing policy that controls transmitting and receiving of VPN routing
information
l (Optional) Maximum number of routes allowed by the VPN instance
2
IP addresses of the interfaces connecting the PE to the CE
3 Data of routing exchange (static routes, RIP routes, OSPF routes, IS-IS routes, or
EBGP routes) between Hub-PE and Hub-CE, and between Spoke-PE and Spoke-CE
3.5.2 Creating a VPN Instance
Context
Do as follows on every Spoke-PE and Hub-PE.
3 BGP/MPLS IP VPN Configuration
Quidway S9300 Terabit Routing Switch
Configuration Guide - VPN
3-22 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 03 (2009-08-20)
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