3Com 3C13636 Configuration Manual page 908

3Com Router 3000 Ethernet Family
Configuration Guide
[PE-A-bgp-af-vpn] peer 30.1.1.1 group 30
[PE-A-bgp-af-vpn] quit
2) Configure PE-C.
# Create a VPN-instance on PE-C, so that it can transceive VPN routing information of
VPN-target 111:1 and 222:2.
[PE-C] ip vpn-instance 2
[PE-C-vpn-2] route-distinguisher 100:2
[PE-C-vpn-2] vpn-target 111:1
[PE-C-vpn-2] vpn-target 222:2
[PE-C-vpn-2] quit
# Set up EBGP adjacency between PE-C and CE-E, redistribute intra-CE-C VPN
routes learned into MBGP VPN-instance address family.
[PE-C] bgp 100
[PE-C-bgp] ipv4-family vpn-instance vpn-instance2
[PE-C-bgp-af-vpn-instance] group 172
[PE-C-bgp-af-vpn-instance] peer 172.16.1.1 group 172 as-number 65012
[PE-C-bgp-af-vpn-instance] import-route direct
[PE-C-bgp-af-vpn-instance] import-route static
[PE-C-bgp-af-vpn-instance] quit
[PE-C-bgp] quit
# Bind the interface Ethernet1/0/0 connecting CE-C with VPN-instance 2.
[PE-C] interface ethernet 1/0/0
[PE-C-Ethernet1/0/0] ip binding vpn-instance vpn-instance2
[PE-C-Ethernet1/0/0] ip address 172.16.0.1 255.255.0.0
# Configure loopback interface.
[PE-C] interface loopback 0
[PE-C-LoopBack0] ip address 20.1.1.1 255.255.255.255
[PE-C-LoopBack0] quit
# Configure MPLS basic capacity.
[PE-C] mpls lsr-id 20.1.1.1
[PE-C] mpls ldp enable
[PE-C-mpls-ldp] quit
# Set up MP-IBGP adjacency between PEs to exchange intra-PE VPN routing
information, activate MP-IBGP peer in VPNv4 address family view.
[PE-C] bgp 100
[PE-C-bgp] group 10
[PE-C-bgp] peer 10.1.1.1 group 10
[PE-C-bgp] peer 10.1.1.1 connect-interface loopback 0
[PE-C-bgp] group 30
Chapter 3 BGP/MPLS VPN Configuration
3Com Corporation
3-46