3Com 3C13636 Configuration Manual page 913

3Com Router 3000 Ethernet Family
Configuration Guide
# Set up MP-IBGP adjacency between PEs to exchange intra-PE VPN routing
information, and activate MP-IBGP peer in VPNv4 address family view.
[PE1] bgp 100
[PE1-bgp] group 22
[PE1-bgp] peer 22.1.1.1 connect-interface loopback 0
[PE1-bgp] group 33
[PE1-bgp] peer 33.1.1.1 connect-interface loopback 0
[PE1-bgp] ipv4-family vpnv4
[PE1-bgp-af-vpn] peer 22 enable
[PE1-bgp-af-vpn] peer 22.1.1.1 group 22
[PE1-bgp-af-vpn] peer 33 enable
[PE1-bgp-af-vpn] peer 33.1.1.1 group 33
[PE1-bgp-af-vpn] quit
2) Configure PE2
# Create a VPN-instance on PE2, redistribute VPN routing information of VPN-target
100:2 and advertise VPN routing information of VPN-target 100:1.
[PE2] ip vpn-instance vpn-instance1
[PE2-vpn- vpn-instance1] route-distinguisher 100:1
[PE2-vpn- vpn-instance1] vpn-target 100:1 export-extcommunity
[PE2-vpn- vpn-instance1] vpn-target 100:2 import-extcommunity
[PE2-vpn- vpn-instance1] quit
# Set up EBGP adjacency between PE2 and CE2, redistribute intra-CE2 VPN routes
learned into MBGP VPN-instance address family.
[PE2] bgp 100
[PE2-bgp] group 172 external
[PE2-bgp] ipv4-family vpn-instance vpn-instance1
[PE2-bgp-af-vpn-instance] peer 172.15.1.1 group 172 as-number 65001
[PE2-bgp-af-vpn-instance] import-route static
[PE2-bgp-af-vpn-instance] import-route direct
[PE2-bgp-af-vpn-instance] quit
[PE2-bgp] quit
# Bind the interface connecting PE2 and CE2 with VPN-instance 1.
[PE2] interface ethernet 1/0/0
[PE2-Ethernet1/0/0] ip binding vpn-instance vpn-instance1
[PE2-Ethernet1/0/0] ip address 172.15.0.1 255.255.0.0
[PE2-Ethernet1/0/0] quit
# Configure loopback interface.
[PE2] interface loopback 0
[PE2-LoopBack0] ip address 22.1.1.1 255.255.255.255
[PE2-LoopBack0] quit
Chapter 3 BGP/MPLS VPN Configuration
3Com Corporation
3-51