3com 8807 User Guide

554

HAPTER

49: BGP/MPLS VPN C

ONFIGURATION

[PE1] mpls lsr-id 202.100.1.1

[PE1] mpls

[PE1-mpls] quit

[PE1] mpls ldp

[PE1] vlan 201

[PE1-vlan201] port gigabitethernet 2/1/1

[PE1-vlan201] quit

[PE1] interface Vlan-interface 201

[PE1-Vlan-interface201] ip address 172.1.1.1 255.255.0.0

[PE1-Vlan-interface201] mpls

[PE1-Vlan-interface201] mpls ldp enable

[PE1-Vlan-interface201] quit

# Enable OSPF on the interface connecting PE1 and P and on the Loopback
interface, import direct-connect routes. Achieve inter-PE communication.

[PE1] ospf

[PE1-ospf-1] area 0

[PE1-ospf-1-area-0.0.0.0] network 172.1.0.0 0.0.255.255

[PE1-ospf-1-area-0.0.0.0] network 202.100.1.1 0.0.0.0

[PE1-ospf-1-area-0.0.0.0] quit

[PE1-ospf-1] import-route direct

[PE1-ospf-1] quit

# 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.

[PE1] bgp 100

[PE1-bgp] group 202 internal

[PE1-bgp] peer 202.100.1.3 group 202

[PE1-bgp] peer 202.100.1.3 connect-interface loopback0

[PE1-bgp] ipv4-family vpnv4

[PE1-bgp-af-vpn] peer 202 enable

[PE1-bgp-af-vpn] peer 202.100.1.3 group 202

[PE1-bgp-af-vpn] quit

[PE1-bgp] quit

3 Configure P:

# Configure MPLS basic capacity, enable LDP on the interfaces connecting P and
PE for MPLS packet forwarding.

[P] mpls lsr-id 172.1.1.2

[P] mpls

[P-mpls] quit

[P] mpls ldp

[P] interface loopback0

[P-LoopBack 0] ip address 172.1.1.2 255.255.255.255

[P-LoopBack 0] quit

[P] vlan 301

[P-vlan301] port gigabitethernet 3/1/1

[P-vlan301] quit

[P] interface Vlan-interface 301

[P-Vlan-interface301] ip address 172.1.1.2 255.255.0.0

[P-Vlan-interface301] mpls

[P-Vlan-interface301] mpls ldp enable

[P-Vlan-interface301] quit

[P] vlan 302