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3Com Switch 8800 Configuration Guide Chapter 37 BGP/MPLS VPN Configuration
37-58
[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 10.1.1.2 255.255.255.0
Bind the VLAN interface with the VPN-instance.
[PE1] interface Vlan-interface 201
[PE1-Vlan-interface201] ip binding vpn-instance vpna
[PE1-Vlan-interface201] ip address 172.11.11.1 255.255.255.0
[PE1-Vlan-interface201] quit
[PE1] interface Vlan-interface 202
[PE1-Vlan-interface202] ip binding vpn-instance vpnb
[PE1-Vlan-interface202] ip address 172.21.21.1 255.255.255.0
[PE1-Vlan-interface202] quit
Enable EBGP between PE and CE.
[PE1] bgp 100
[PE1-bgp] ipv4-family vpn-instance vpna
[PE1-bgp-af-vpn-instance] import-route direct
[PE1-bgp-af-vpn-instance] group 172-11 external
[PE1-bgp-af-vpn-instance] peer 172.11.11.2 group 172-11 as-number 65011
[PE1-bgp- af-vpn] quit
[PE1-bgp] ipv4-family vpn-instance vpnb
[PE1-bgp-af-vpn-instance] import-route direct
[PE1-bgp-af-vpn-instance] group 172-21 external
[PE1-bgp-af-vpn-instance] peer 172.21.21.2 group 172-21 as-number 65021
[PE1-bgp-af-vpn-instance] peer 172.21.21.2 next-hop-local
[PE1-bgp-af-vpn-instace] quit
Enable IBGP between PE-ASBRs.
[PE1-bgp] group 3 internal
[PE1-bgp] peer 3.3.3.3 group 3
[PE1-bgp] peer 3.3.3.3 connect-interface loopback0
[PE1-bgp] ipv4-family vpnv4
[PE1-bgp-af-vpn] peer 3 enable
[PE1-bgp-af-vpn] peer 3.3.3.3 group 3
[PE1-bgp-af-vpn] quit
[PE1-bgp] quit
2) Configure PE2
Configure MPLS.
[PE2] mpls lsr-id 2.2.2.2