Figure 4-11 Networking diagram for configuring the inter-AS Kompella VLL Option A
BGP/MPLS Backbone
AS 200
Loopback1
2.2.2.2/32
Loopback1
3.3.3.3/32
Loopback1
1.1.1.1/32
Loopback1
4.4.4.4/32
ASBR -PE1
ASBR -PE2
GE1/0/0
GE2/0/0
GE1/0/0
GE1/0/0
GE1/0/0
GE2/0/0
GE1/0/0
GE1/0/0
GE2/0/0
GE2/0/0
CE1 CE2
PE1 PE2
BGP/MPLS Backbone
AS 100
S9300 Interface VLANIF interface IP address
PE1 GigabitEthernet1/0/0 VLANIF 10 -
GigabitEthernet2/0/0 VLANIF 20 20.1.1.1/24
Loopback1 - 1.1.1.9/32
PE2 GigabitEthernet1/0/0 VLANIF 40 40.1.1.2/24
GigabitEthernet2/0/0 VLANIF 50 -
Loopback1 - 4.4.4.9/32
ASBR-PE1 GigabitEthernet1/0/0 VLANIF 20 20.1.1.2/24
GigabitEthernet2/0/0 VLANIF 30 -
Loopback1 - 2.2.2.9/32
ASBR-PE2 GigabitEthernet1/0/0 VLANIF 30 -
GigabitEthernet2/0/0 VLANIF 40 40.1.1.1/24
Loopback1 - 3.3.3.9/32
CE1 GigabitEthernet1/0/0 VLANIF 10 10.1.1.1/24
CE2 GigabitEthernet1/0/0 VLANIF 50 10.1.1.2/24
Configuration Roadmap
The configuration roadmap is as follows:
1. Run an IGP protocol on the backbone network so that the devices in the same AS can
communicate with each other.
2. Enable MPLS on the backbone and establish a dynamic LSP between the PE and the ASBR-
PE.
Quidway S9300 Terabit Routing Switch
Configuration Guide - VPN 4 VLL Configuration
Issue 03 (2009-08-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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