Figure 3-18 Networking diagram for configuring double reflectors to optimize VPN backbone
layer
CE1 CE2
PE2
P2
P1
PE1
GE1/0/0
GE1/0/0
GE2/0/0 GE1/0/0
GE1/0/0
GE2/0/0
GE3/0/0
GE3/0/0
GE3/0/0 GE3/0/0
GE2/0/0
GE1/0/0
GE2/0/0
GE1/0/0
Loopback1
2.2.2.9/32
Loopback1
3.3.3.9/32
Loopback1
1.1.1.9/32
Loopback1
4.4.4.9/32
AS100
AS65410 AS65420
Device Interface VLANIF interface IP address
PE1 GigabitEthernet1/0/0 VLANIF 10 100.1.1.1/24
GigabitEthernet2/0/0 VLANIF 60 10.1.1.2/24
GigabitEthernet3/0/0 VLANIF 40 100.1.3.1/24
Loopback1 1.1.1.9/32
PE2 GigabitEthernet1/0/0 VLANIF 30 100.3.4.2/24
GigabitEthernet2/0/0 VLANIF 70 10.2.1.2/24
GigabitEthernet3/0/0 VLANIF 50 100.2.4.2/24
Loopback1 4.4.4.9/32
P1 GigabitEthernet1/0/0 VLANIF 10 100.1.2.2/24
GigabitEthernet2/0/0 VLANIF 20 100.2.3.1/24
GigabitEthernet3/0/0 VLANIF 50 100.2.4.1/24
Loopback1 2.2.2.9/32
P2 GigabitEthernet1/0/0 VLANIF 20 100.2.3.2/24
GigabitEthernet2/0/0 VLANIF 30 100.3.4.1/24
GigabitEthernet3/0/0 VLANIF 40 100.1.3.2/24
Loopback1 3.3.3.9/32
CE1 GigabitEthernet1/0/0 VLANIF 60 10.1.1.1/24
CE2 GigabitEthernet1/0/0 VLANIF 70 10.2.1.1/24
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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