3.4.6 Checking the Configuration
After configuring the basic BGP/MPLS IP VPN function, you can view IPv4 VPN information
about the local and remote sites on the PE or the CE.
Prerequisite
The configurations of the basic BGP/MPLS IP VPN function are complete.
Procedure
l Run the display ip routing-table vpn-instance vpn-instance-name command to check
routing information about the specified VPN instance on the PE.
l Run the display ip routing-table command to check routing information on the CE.
----End
Example
Run the display ip routing-table vpn-instance vpn-instance-name command. If the VPN routes
related to the CE are displayed, it means the configuration succeeded.
Run the display ip routing-table command. If the routes to the peer CE are displayed on the
CE, it means the configuration succeeded.
3.5 Configuring Hub and Spoke
In the networking of Hub and Spoke, an access control device is specified in the VPN, and users
communicate with each other through the access control device.
3.5.1 Establishing the Configuration Task
Before configuring the networking of Hub and Spoke, 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
If it is required that all the users must access to a central access control device, the Hub and
Spoke networking is adopted. In the Hub and Spoke network, all the Spoke stations communicate
through the Hub station.
Pre-configuration Task
Before configuring Hub and Spoke, complete the following tasks:
l Configuring IGP on PE devices and P devices in the MPLS backbone network
l Configuring basic MPLS capability on PE devices and P devices in the MPLS backbone
network
l Configuring the IP addresses, through which the CE devices access the PE devices, on the
CE devices
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 3 BGP MPLS IP VPN Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
117
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