Example For Configuring Inter-As Vpn Option A - Huawei quidway s7700 Configuration Manual

Quidway S7700 Smart Routing Switch
Configuration Guide - VPN

3.17.7 Example for Configuring Inter-AS VPN Option A

Networking Requirements
As shown in
100, and CE2 accesses PE2 through AS 200.
Inter-AS BGP/MPLS IP VPN is implemented through Option A. That is, the VRF-to-VRF
method is used to manage VPN routes.
Issue 01 (2011-07-15)
#
interface GigabitEthernet2/0/0
port hybrid pvid vlan 20
port hybrid untagged vlan 20
#
interface GigabitEthernet3/0/0
port hybrid pvid vlan 30
port hybrid untagged vlan 30
#
interface GigabitEthernet3/0/1
port hybrid pvid vlan 40
port hybrid untagged vlan 40
#
interface LoopBack1
ip address 2.2.2.9 255.255.255.255
#
bgp 100
peer 1.1.1.9 as-number 100
peer 1.1.1.9 connect-interface LoopBack1
peer 3.3.3.9 as-number 100
peer 3.3.3.9 connect-interface LoopBack1
#
ipv4-family unicast
undo synchronization
peer 1.1.1.9 enable
peer 3.3.3.9 enable
#
ipv4-family vpnv4
policy vpn-target
peer 1.1.1.9 enable
peer 3.3.3.9 enable
#
ipv4-family vpn-instance vpn_in
peer 110.1.1.1 as-number 65430
import-route direct
#
ipv4-family vpn-instance vpn_out
peer 110.2.1.1 as-number 65430
peer 110.2.1.1 allow-as-loop
import-route direct
#
ospf 1
area 0.0.0.0
network 2.2.2.9 0.0.0.0
network 10.1.1.0 0.0.0.255
network 11.1.1.0 0.0.0.255
#
return
Figure 3-9, CE1 and CE2 belong to the same VPN. CE1 accesses PE1 through AS
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3 BGP MPLS IP VPN Configuration
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