3.11.1 Establishing the Configuration Task...................................................................................................123
3.11.2 Configuring the OSPF Multi-Instance on the PE................................................................................124
3.11.3 Configuring the OSPF Multi-Instance on the Multi-Instance CE.......................................................125
3.11.4 Canceling the Loop Detection on the Multi-Instance CE....................................................................126
3.11.5 Checking the Configuration.................................................................................................................126
3.12 Connecting VPN and the Internet.................................................................................................................127
3.12.1 Establishing the Configuration Task...................................................................................................127
3.12.2 Configuring the Static Route on the CE..............................................................................................128
3.12.3 Configuring the Private Network Static Route on the PE...................................................................128
3.12.4 Configuring the Static Route to VPN on the Device of the Public Network......................................129
3.12.5 Checking the Configuration.................................................................................................................129
3.13 Configuring IP FRR of a Private Network...................................................................................................130
3.13.1 Establishing the Configuration Task...................................................................................................131
3.13.2 Configuring Manual IP FRR in a Private Network.............................................................................131
3.13.3 Checking the Configuration.................................................................................................................132
3.14 Configuring VPN FRR.................................................................................................................................133
3.14.1 Establishing the Configuration Task...................................................................................................133
3.14.2 Configuring Manual VPN FRR...........................................................................................................134
3.14.3 Checking the Configuration.................................................................................................................135
3.15 Configuring Route Reflection to Optimize the VPN Backbone Layer........................................................135
3.15.1 Establishing the Configuration Task...................................................................................................135
3.15.2 Configuring the Client PEs to Establish MP IBGP Connections with the RR....................................136
3.15.3 Configuring the RR to Establish MP IBGP Connections with the Client PEs....................................137
3.15.4 Configuring Route Reflection for BGP IPv4 VPN routes...................................................................138
3.15.5 Checking the Configuration.................................................................................................................139
3.16 Configuring Route Reflection to Optimize the VPN Access Layer.............................................................141
3.16.1 Establishing the Configuration Task...................................................................................................141
3.16.2 Configuring All Client CEs to Establish IBGP Connections with the RR..........................................142
3.16.3 Configuring the RR to Establish MP IBGP Connections with All Client CEs...................................142
3.16.4 Configuring Route Reflection for the Routes of the BGP VPN Instance...........................................143
3.16.5 Checking the Configuration.................................................................................................................144
3.17 Maintaining BGP/MPLS IP VPN.................................................................................................................147
3.17.1 Viewing the Integrated Route Statistics of All IPv4 VPN Instances..................................................147
3.17.2 Displaying BGP/MPLS IP VPN Information......................................................................................147
3.17.3 Checking the Network Connectivity and Reachability.......................................................................148
3.17.4 Resetting BGP Statistics of a VPN Instance IPv4 Address Family....................................................149
3.17.5 Resetting BGP Connections................................................................................................................149
3.18 Configuration Examples...............................................................................................................................150
3.18.1 Example for Configuring BGP/MPLS IP VPN...................................................................................150
3.18.2 Example for Configuring the BGP AS Number Substitution..............................................................161
3.18.3 Example for Configuring Hub and Spoke...........................................................................................166
3.18.4 Example for Configuring Inter-AS VPN Option A.............................................................................175
Huawei AR1200 Series Enterprise Routers
Configuration Guide - VPN Contents
Issue 01 (2012-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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