Prerequisites
The configurations of the HoVPN function are complete
Procedure
l Run the display ip routing-table command to check the routing table on the CE.
----End
Example
Run the display ip routing-table on the CE connected with the UPE. The command output
shows that there is a default route whose next hop is the UPE and there is no route to the network
segment where the peer CE resides.
<CE> display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 5 Routes : 5
Destination/Mask Proto Pre Cost Flags NextHop Interface
0.0.0.0/0 BGP 255 0 D 10.1.1.2 GigabitEthernet1/0/0
10.1.1.0/24 Direct 0 0 D 10.1.1.1
GigabitEthernet1/0/0
10.1.1.1/32 Direct 0 0 D 127.0.0.1
InLoopBack0GigabitEthernet1/0/0
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
3.11 Configuring a Multi-VPN-Instance CE
By using OSPF multi-instance on CEs, you can implement service isolation on the LAN.
3.11.1 Establishing the Configuration Task
Before configuring a multi-VPN-instance CE, familiarize yourself with the applicable
environment, complete the pre-configuration tasks, and obtain the data required for the
configuration. This will help you complete the configuration task quickly and accurately.
Applicable Environment
The multi-VPN-instance CE is used in the LAN. You can implement service isolation through
the multiple OSPF instances on the CE devices.
One OSPF process can belong to only one VPN instance but one VPN instance can run several
OSPF processes.
The Multi-VPN-Instance CE can be considered a networking solution that isolates services by
isolating routes. Before configuring a multi-VPN-instance CE, disable routing loop detection.
Pre-configuration Tasks
Before configuring a multi-VPN-instance CE, complete the following tasks:
l Configuring a VPN Instance on the multi-instance CE, and the PE that is accessed by it
(each service with a VPN instance)
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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