Huawei AR1200 series Configuration Manual page 162

Huawei AR1200 Series Enterprise Routers
Configuration Guide - VPN
Figure 3-2 BGP/MPLS IP VPN networking diagram
VPN-A
Loopback1
1.1.1.9/32
Configuration Roadmap
The configuration roadmap is as follows:
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2.
3.
4.
5.
Data Preparation
To configure BGP/MPLS IP VPN, you need the following data:
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Procedure
Step 1 Configure an IGP on the MPLS backbone to allow the PEs and the Ps to reach each other.
# Configure PE1.
Issue 01 (2012-04-20)
AS: 65410
CE1
Eth1/0/0
10.1.1.1/24
Eth1/0/0
10.1.1.2/24
PE1
172.1.1.2/24
Eth2/0/1
172.1.1.1/24
Eth2/0/0
10.2.1.2/24
Eth1/0/0
10.2.1.1/24
CE2
VPN-B
AS: 65420
Configure OSPF on the backbone network to enable interworking between PEs.
Configure the basic MPLS functions and MPLS LDP on the PEs, and establish the MPLS
LSPs between the PEs.
Configure MP IBGP to exchange the VPN routing information between the PEs.
Configure the VPN instance on the PE connected with the CE in the backbone network,
and bind the PE interface connected with the CE to the corresponding VPN instance.
Configure EBGP between the CE and the PE to exchange VPN routing information.
MPLS LSR-IDs on the PEs and the Ps
RDs of VPN-A and VPN-B
VPN targets of VPN-A and VPN-B
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Loopback1
2.2.2.9/32
Eth2/0/0
Eth1/0/0
172.2.1.1/24
Eth2/0/1
172.2.1.2/24
P
MPLS backbone
AS: 100
3 BGP MPLS IP VPN Configuration
AS: 65430
VPN-A
CE3
Eth1/0/0
10.3.1.1/24
Eth1/0/0
10.3.1.2/24
PE2
Loopback1
3.3.3.9/32
Eth2/0/0
10.4.1.2/24
Eth1/0/0
10.4.1.1/24
CE4
VPN-B
AS: 65440
151