# The configurations of the P device, PE2, CE2, and CE1 are the same as the configuration of
PE1, and are not mentioned here.
Step 2 Configure BGP/MPLS IP VPN of the backbone network.
Use IS-IS as the IGP protocol of the backbone network, enable LDP between PE1 and PE2, and
set up MP-IBGP peer relationships.
# Configure PE1.
[PE1] interface loopback 1
[PE1-LoopBack1] ip address 1.1.1.9 32
[PE1-LoopBack1] quit
[PE1] mpls lsr-id 1.1.1.9
[PE1] mpls
[PE1-mpls] quit
[PE1] mpls ldp
[PE1-mpls-ldp] quit
[PE1] isis 1
[PE1-isis-1] network-entity 10.0000.0000.0001.00
[PE1-isis-1] quit
[PE1] interface loopback 1
[PE1-LoopBack1] isis enable 1
[PE1-LoopBack1] quit
[PE1] interface vlanif 20
[PE1-Vlanif20] ip address 100.1.1.1 30
[PE1-Vlanif20] isis enable 1
[PE1-Vlanif20] mpls
[PE1-Vlanif20] mpls ldp
[PE1-Vlanif20] quit
[PE1] bgp 100
[PE1-bgp] peer 3.3.3.9 as-number 100
[PE1-bgp] peer 3.3.3.9 connect-interface loopback 1
[PE1-bgp] ipv4-family vpnv4
[PE1-bgp-af-vpnv4] peer 3.3.3.9 enable
[PE1-bgp-af-vpnv4] quit
[PE1-bgp] quit
# Configure the P device.
[P] interface loopback 1
[P-LoopBack1] ip address 2.2.2.9 32
[P-LoopBack1] quit
[P] mpls lsr-id 2.2.2.9
[P] mpls
[P-mpls] quit
[P] mpls ldp
[P-mpls-ldp] quit
[P] isis 1
[P-isis-1] network-entity 10.0000.0000.0002.00
[P-isis-1] quit
[P] interface loopback 1
[P-LoopBack1] isis enable 1
[P-LoopBack1] quit
[P] interface vlanif 20
[P-Vlanif20] ip address 100.1.1.2 30
[P-Vlanif20] isis enable 1
[P-Vlanif20] mpls
[P-Vlanif20] mpls ldp
[P-Vlanif20] quit
[P] interface vlanif 30
[P-Vlanif30] ip address 100.2.1.1 30
[P-Vlanif30] isis enable 1
[P-Vlanif30] mpls
[P-Vlanif30] mpls ldp
[P-Vlanif30] quit
# Configure PE2.
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 3 BGP MPLS IP VPN Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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