R211x-HP Flexfabric 11900 MPLS Configuration Guide

145
Configuring a hub-spoke network
Network requirements
The Spoke-CEs cannot communicate directly. They can communicate only through Hub-CE.
Configure EBGP between the Spoke-CEs and Spoke-PEs and between Hub-CE and Hub-PE to exchange
VPN routing information.
Configure OSPF between the Spoke-PEs and Hub-PE to implement communication between the PEs, and
configure MP-IBGP between them to exchange VPN routing information.
Figure 48 Network diagram
Device Interface IP address Device Interface IP address
Spoke-CE 1 Vlan-int2 10.1.1.1/24 Hub-CE Vlan-int6 10.3.1.1/24
Spoke-PE 1 Loop0 1.1.1.9/32 Vlan-int7 10.4.1.1/24
Vlan-int2 10.1.1.2/24 Hub-PE Loop0 2.2.2.9/32
Vlan-int4 172.1.1.1/24 Vlan-int4 172.1.1.2/24
Spoke-CE 2 Vlan-int3 10.2.1.1/24 Vlan-int5 172.2.1.2/24
Spoke-PE 2 Loop0 3.3.3.9/32 Vlan-int6 10.3.1.2/24
Vlan-int3 10.2.1.2/24 Vlan-int7 10.4.1.2/24
Vlan-int5 172.2.1.1/24
Configuration procedure
1. Configure an IGP on the MPLS backbone to ensure IP connectivity within the backbone:
# Configure Spoke-PE 1.
<Spoke-PE1> system-view
[Spoke-PE1] interface loopback 0
[Spoke-PE1-LoopBack0] ip address 1.1.1.9 32
[Spoke-PE1-LoopBack0] quit
[Spoke-PE1] interface vlan-interface 4
[Spoke-PE1-Vlan-interface4] ip address 172.1.1.1 24
[Spoke-PE1-Vlan-interface4] quit