3Com 8807 Configuration Manual page 573

Typical BGP/MPLS VPN Configuration Example 573
# Configure Loopback interface.
[PE2] interface loopback 0
[PE2-LoopBack0] ip address 2.2.2.2 255.255.255.255
# Configure VPN-instance.
[PE2] ip vpn-instance vpna
[PE2-vpn-vpna] route-distinguisher 200:1
[PE2-vpn-vpna] vpn-target 100:1 both
[PE2] ip vpn-instance vpnb
[PE2-vpn-vpnb] route-distinguisher 200:2
[PE2-vpn-vpnb] vpn-target 100:2 both
# Configure the VLAN interface connecting PE2 and P2.
[PE1] vlan 205
[PE1-vlan205] port gigabitethernet 2/2/1
[PE1-vlan205] quit
[PE1] interface Vlan-interface 205
[PE1-Vlan-interface205] mpls
[PE1-Vlan-interface205] mpls ldp enable
[PE1-Vlan-interface205] ip address 20.1.1.2 255.255.255.0
# Bind the VLAN interface with the VPN-instance.
[PE2] interface Vlan-interface 203
[PE2-Vlan-interface203] ip binding vpn-instance vpna
[PE2-Vlan-interface203] ip address 172.12.12.1 255.255.255.0
[PE2-Vlan-interface203] quit
[PE2] interface Vlan-interface 204
[PE2-Vlan-interface204] ip binding vpn-instance vpnb
[PE2-Vlan-interface204] ip address 172.22.22.1 255.255.255.0
[PE2-Vlan-interface204] quit
# Enable EBGP between PE and CE.
[PE2] bgp 200
[PE2-bgp] ipv4-family vpn-instance vpna
[PE2-bgp-af-vpn-instance] import-route direct
[PE2-bgp-af-vpn-instance] group 172-12 external
[PE2-bgp-af-vpn-instance] peer 172.12.12.2 group 172-12 as-number 65012
[PE2-bgp] ipv4-family vpn-instance vpnb
[PE2-bgp-af-vpn-instance] import-route direct
[PE2-bgp-af-vpn-instance] group 172-22 external
[PE2-bgp-af-vpn-instance] peer 172.22.22.2 group 172-22 as-number 65022
[PE2-bgp-af-vpn-instance] quit
[PE2] quit
# Enable MB-IBGP between PE-ASBRs
[PE2-bgp] group 4
[PE2-bgp] peer 4.4.4.4 group 4
[PE2-bgp] peer 4.4.4.4 connect-interface loopback0
[PE2-bgp] ipv4-family vpnv4
[PE2-bgp-af-vpn] peer 4 enable
[PE2-bgp-af-vpn] peer 4.4.4.4 group 4
3 Configure P1 (P2 in similar way)