3Com 8807 Configuration Manual page 559

Typical BGP/MPLS VPN Configuration Example 559
[PE-A-bgp-af-vpn] peer 20 enable
[PE-A-bgp-af-vpn] peer 20.1.1.1 group 20
[PE-A-bgp-af-vpn] quit
2 Configure PE-C.
# Create a VPN-instance 2 on PE-C, so that it can send and receive VPN routing
information of VPN-target 111:1 and 222:2.
[PE-C] ip vpn-instance vpn-instance 2
[PE-C-vpn-2] route-distinguisher 100:2
[PE-C-vpn-2] vpn-target 111:1 both
[PE-C-vpn-2] vpn-target 222:2 both
[PE-C-vpn-2] quit
# Set up MP-EBGP adjacency between PE-C and CE-C, import 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] import-route direct
[PE-C-bgp-af-vpn-instance] import-route static
[PE-C-bgp-af-vpn-instance] group 172 external
[PE-C-bgp-af-vpn-instance] peer 172.16.1.1 group 172 as-number 65012
[PE-C-bgp-af-vpn-instance] quit
[PE-C-bgp] quit
# Bind VPN-instance2 with the interface of VLAN301 which connects CE-C.
[PE-C] vlan 301
[PE-C-vlan301] port gigabitethernet 3/1/1
[PE-C-vlan301] quit
[PE-C] interface Vlan-interface 301
[PE-C-Vlan-interface301] ip binding vpn-instance vpn-instance2
[PE-C-Vlan-interface301] ip address 172.16.0.1 255.255.0.0
[PE-C-Vlan-interface301] quit
# 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
[PE-C-mpls] quit
[PE-C] mpls ldp
# Set up MP-IBGP adjacency between PEs to exchange inter-PE VPN routing
information and activate MP-IBGP peer in VPNv4 sub-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