Extranet Configuration Example - H3C S9500 Series Operation Manual

Operation Manual – MPLS L3VPN
H3C S9500 Series Routing Switches
[PE3] mpls lsr-id 202.100.1.3
[PE3] mpls
[PE3-mpls] quit
[PE3] mpls ldp
[PE3] vlan 201
[PE3-vlan201] interface gigabitethernet 2/1/1
[PE3-vlan201] quit
[PE3] interface Vlan-interface 201
[PE3-Vlan-interface201] ip address 172.3.1.1 255.255.0.0
[PE3-Vlan-interface201] mpls
[PE3-Vlan-interface201] mpls ldp enable
[PE3-Vlan-interface201] quit
# Enable OSPF on the interface connecting PE3 and P and the Loopback interface,
import direct-connect routes.
[PE3] ospf
[PE3-ospf-1] area 0
[PE3-ospf-1-area-0.0.0.0] network 172.3.0.0 0.0.255.255
[PE3-ospf-1-area-0.0.0.0] network 202.100.1.3 0.0.0.0
PE3-ospf-1-area-0.0.0.0] quit
[PE3-ospf-1] import-route direct
[PE3-ospf-1-area-0.0.0.0] import-route direct
# Set up MP-IBGP adjacency between PEs to exchange inter-PE VPN routing
information.
[PE3] bgp 100
[PE3-bgp] group 202 internal
[PE3-bgp] peer 202.100.1.1 group 202 as-number 100
[PE3-bgp] peer 202.100.1.1 connect-interface loopback0
[PE3-bgp] ipv4-family vpnv4
[PE3-bgp-af-vpn] peer 202 enable
[PE3-bgp-af-vpn] peer 202.100.1.1 group 202
[PE3-bgp-af-vpn] quit
5) Configure PE2 and PE4
The configuration of PE2 and PE4 is similar to that of PE1 and PE3. The details are
omitted here.

1.4.2 Extranet Configuration Example

I. Network requirements
Company A and Company B are located at City A and City B respectively. Their
headquarters is located at City C. They respectively own VPN1 and VPN2.
Chapter 1 MPLS L3VPN Configuration
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