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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