3Com MSR 50 Series Configuration Manual page 1523

MPLS L3VPN Configuration Example 1523
[ASBR-PE2-bgp] peer 11.0.0.2 connect-interface serial 2/1
[ASBR-PE2-bgp] peer 5.5.5.9 as-number 600
[ASBR-PE2-bgp] peer 5.5.5.9 connect-interface loopback 0
# Specify not to filter the received VPNv4 routes using the import target attribute.
[ASBR-PE2-bgp] ipv4-family vpnv4
[ASBR-PE2-bgp-af-vpnv4] undo policy vpn-target
# Configure both IBGP peer 5.5.5.9 and EBGP peer 11.0.0.2 as VPNv4 peers.
[ASBR-PE2-bgp-af-vpnv4] peer 11.0.0.2 enable
[ASBR-PE2-bgp-af-vpnv4] peer 5.5.5.9 enable
[ASBR-PE2-bgp-af-vpnv4] quit
[ASBR-PE2-bgp] quit
4 Configure PE 2
# Start IS-IS on PE 2.
<PE2> system-view
[PE2] isis 1
[PE2-isis-1] network-entity 10.111.111.111.111.00
[PE2-isis-1] quit
# Configure LSR ID, enable MPLS and LDP.
[PE2] mpls lsr-id 5.5.5.9
[PE2] mpls
[PE2-mpls] lsp-trigger all
[PE2-mpls] label advertise non-null
[PE2-mpls] quit
[PE2] mpls ldp
[PE2-mpls-ldp] quit
# Configure interface Serial 2/0, start IS-IS and enable MPLS and LDP on the
interface.
[PE2] interface serial 2/0
[PE2-Serial2/0] ip address 9.1.1.2 255.0.0.0
[PE2-Serial2/0] isis enable 1
[PE2-Serial2/0] mpls
[PE2-Serial2/0] mpls ldp
[PE2-Serial2/0] quit
# Configure interface Loopback 0 and start IS-IS on it.
[PE2] interface loopback 0
[PE2-LoopBack0] ip address 5.5.5.9 32
[PE2-LoopBack0] isis enable 1
[PE2-LoopBack0] quit
# Create VPN instance vpn1 and configure the RD and VPN target attributes.
[PE2] ip vpn-instance vpn1
[PE2-vpn-instance-vpn1] route-distinguisher 12:12
[PE2-vpn-instance-vpn1] vpn-target 1:1 2:2 3:3 import-extcommunity