[PE2-vpn-instance-vpn1-af-ipv4] vpn-target 111:1 export-extcommunity
[PE2-vpn-instance-vpn1-af-ipv4] vpn-target 111:1 import-extcommunity
[PE2-vpn-instance-vpn1-af-ipv4] quit
[PE2-vpn-instance-vpn1] quit
[PE2] interface gigabitethernet2/0/0
[PE2- GigabitEthernet2/0/0] ip binding vpn-instance vpn1
[PE2- GigabitEthernet2/0/0] ip address 11.1.1.2 255.255.255.0
Step 6 Configure the IS-IS route between CE1 and PE1.
# Configure CE1.
[CE1] isis 50
[CE1-isis-50] network-entity 50.0000.0000.0001.00
[CE1-isis-50] quit
[CE1] interface gigabitethernet1/0/0
[CE1-GigabitEthernet1/0/0] isis enable 50
[CE1-GigabitEthernet1/0/0] quit
[CE1] interface tunnel0/0/1
[CE1-Tunnel0/0/1] isis enable 50
[CE1-Tunnel0/0/1] quit
# Configure PE1.
[PE1] isis 50 vpn-instance vpn1
[PE1-isis-50] network-entity 50.0000.0000.0002.00
[PE1-isis-50] quit
[PE1] interface tunnel0/0/1
[PE1-Tunnel0/0/1] isis enable 50
[PE1-Tunnel0/0/1] quit
Step 7 Configure the IS-IS route between CE2 and PE2.
# Configure CE2.
[CE2] isis 50
[CE2-isis-50] network-entity 50.0000.0000.0004.00
[CE2-isis-50] quit
[CE2] interface gigabitethernet1/0/0
[CE2-GigabitEthernet1/0/0] isis enable 50
[CE2-GigabitEthernet1/0/0] quit
[CE2] interface gigabitethernet2/0/0
[CE2-GigabitEthernet2/0/0] isis enable 50
[CE2-GigabitEthernet2/0/0] quit
# Configure PE2.
[PE2] isis 50 vpn-instance vpn1
[PE2-isis-50] network-entity 50.0000.0000.0003.00
[PE2-isis-50] quit
[PE2] interface gigabitethernet2/0/0
[PE2-GigabitEthernet2/0/0] isis enable 50
[PE2-GigabitEthernet2/0/0] quit
Step 8 Set up the MP-BGP peer relationship between PE1 and PE2.
# On PE1, specify PE2 as an IBGP peer, set up the IBGP connection by using the loopback
interface, and enable the capability of exchanging VPN IPv4 routing information between PE1
and PE2.
[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
# Enter the view of the BGP VPN instance vpn1 and import the direct routes and IS-IS routes.
Huawei AR1200 Series Enterprise Routers
Configuration Guide - VPN 1 GRE Configuration
Issue 01 (2012-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
34
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