Figure 3-15
Networking of CE dual-homing
PE1
PE3
CE1
PE4
CE2
P1
P2
PE2
VPN backbone
AS 100
AS 65410
AS 65420
GE1/0/0
GE2/0/0
vpn1 site1
vpn1 site2
GE1/0/0
GE1/0/0
GE2/0/0
GE2/0/0
GE1/0/0
GE1/0/0
GE2/0/0
GE1/0/0
GE1/0/0
GE2/0/0
GE2/0/0
GE2/0/0
GE1/0/0
GE2/0/0
Loopback1
Loopback1
Loopback1
Loopback1
Loopback1
Loopback1
GE3/0/0
GE3/0/0
Device
Interface
VLANIF Interface
IPv4 Address
PE1
Loopback1
-
1.1.1.1/32
GE1/0/0
VLANIF 101
10.1.1.2/30
GE2/0/0
VLANIF 10
100.1.1.1/30
PE2
Loopback1
-
2.2.2.2/32
GE1/0/0
VLANIF 102
10.2.1.2/30
GE2/0/0
VLANIF 20
100.2.1.1/30
P1
Loopback1
-
5.5.5.5/32
GE1/0/0
VLANIF 10
100.1.1.2/30
GE2/0/0
VLANIF 30
100.3.1.1/30
P2
Loopback1
-
6.6.6.6/32
GE1/0/0
VLANIF 20
100.2.1.2/30
GE2/0/0
VLANIF 40
100.4.1.1/30
PE3
Loopback1
-
3.3.3.3/32
GE1/0/0
VLANIF 30
100.3.1.2/30
GE2/0/0
VLANIF 103
10.3.1.1/30
PE4
Loopback1
-
4.4.4.4/32
GE1/0/0
VLANIF 40
100.4.1.2/30
GE2/0/0
VLANIF 104
10.4.1.1/30
CE1
GE1/0/0
VLANIF 101
10.1.1.1/30
GE2/0/0
VLANIF 102
10.2.1.1/30
GE3/0/0
VLANIF 1001
1.5.1.1/24
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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