ip address 10.4.1.1 255.255.255.0
#
interface GigabitEthernet1/0/0
port hybrid pvid vlan 50
port hybrid untagged vlan 50
#
bgp 65440
peer 10.4.1.2 as-number 100
#
ipv4-family unicast
undo synchronization
import-route direct
peer 10.4.1.2 enable
#
return
3.14.2 Example for Configuring Overlapping Addresses in Two
BGP/MPLS IP VPNs
Networking Requirements
As shown in Figure 3-4, CE1 and CE2 belong to vpna and CE3 and CE4 belong to vpnb. The
VPN target of vpna is 100:100, and the VPN target of vpnb is 200:200. The users on different
VPNs cannot access each other.
Figure 3-4 Networking diagram of BGP/MPLS IP VPN
CE3
vpnb
CE2
vpna
CE4
vpnb
Loopback0
1.1.1.9/32
Loopback0
2.2.2.9/32
Loopback0
3.3.3.9/32
GE1/0/1
12.1.1.1/24
GE1/0/1
12.1.1.2/24
GE2/0/1
23.1.1.1/24
GE2/0/1
23.1.1.2/24
GE3/0/1
14.1.1.1/24
GE3/0/2
14.1.1.1/24
GE3/0/1
14.1.1.2/24
GE3/0/1
14.1.1.2/24
GE3/0/2
34.1.1.1/24
GE3/0/1
34.1.1.2/24
GE3/0/1
34.1.1.1/24
GE3/0/1
34.1.1.2/24
VLAN 10
VLAN 20
CE1
vpna
PE1
PE2
P
VLAN 100
VLAN 101
VLAN 100
VLAN 101
S9300
Interface VLANIF Interface IP Address
PE1 GigabitEthernet1/0/1 VLANIF 10 12.1.1.1/24
GigabitEthernet3/0/1 VLANIF 100 14.1.1.1/24
GigabitEthernet3/0/2 VLANIF 101 14.1.1.1/24
PE2 GigabitEthernet2/0/1 VLANIF 20 23.1.1.2/24
GigabitEthernet3/0/1 VLANIF 100 34.1.1.1/24
Quidway S9300 Terabit Routing Switch
Configuration Guide - VPN 3 BGP/MPLS IP VPN Configuration
Issue 03 (2009-08-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3-69
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