3Com 8800 Configuration Manual page 504

3Com Switch 8800 Configuration Guide Chapter 37 BGP/MPLS VPN Configuration
[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 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)
Configure MPLS basic capability.
[P1] mpls lsr-id 3.3.3.3
[P1] mpls
[P1-mpls] quit
[P1] mpls ldp
Configure the interface loopback 0.
[P1] interface loopback 0
[P1-LoopBack0] ip address 3.3.3.3 255.255.255.255
Configure VLAN interface connecting PE1.
[P1] vlan 205
[P1-vlan205] port gigabitethernet 2/1/1
[P1-vlan205] quit
[P1] interface Vlan-interface 205
[P1-Vlan-interface205] mpls
[P1-Vlan-interface205] mpls ldp enable
[P1-Vlan-interface205] ip address 10.1.1.1 255.255.255.0
[P1-Vlan-interface205] quit
Configure VLAN interface connecting PE2.
[P1] vlan 206
[P1-vlan206] port gigabitethernet 2/1/2
[P1-vlan206] quit
[P1] interface Vlan-interface 206
[P1-Vlan-interface206] mpls
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