3Com 3C13636 Configuration Manual page 906

3Com Router 3000 Ethernet Family
Configuration Guide
Note:
In the case the configuration is focused on controlling access authority of VPN
subscribers at different cities by configuring different VPN-target attributes at different
PEs.
II. Network diagram
Ethernet1/0/0 Ethernet1/0/0
172.15.0.1/16 172.15.0.1/16
City A City A
AS65011 AS65011
PC PC
VPN 1 VPN 1
Figure 3-15 Extranet diagram
III. Configuration procedure
Note:
The following contents are omitted in this case: MPLS basic capacity configuration
between PEs, configuration between PE and P, configuration between CEs. For these
details refer to the former case.
1) Configure PE-A
# Configure VPN-instance for VPN1 on PE-A, so that it can receive VPN routing
information of VPN-target 111:1.
AS100 AS100
PE-A PE-A
10.1.1.1 10.1.1.1
Ethernet1/0/0 Ethernet1/0/0
172.16.0.1/16 172.16.0.1/16
Ethernet2/0/0 Ethernet2/0/0
172.15.1.1/16 172.15.1.1/16
City C City C
CE-A CE-A
AS65012 AS65012
10.11.1.0/ 10.11.1.0/
24 24
PC PC PC PC
3Com Corporation
Chapter 3 BGP/MPLS VPN Configuration
SP network SP network
PE-C PE-C
20.1.1.1 20.1.1.1
Ethernet1/0/0 Ethernet1/0/0
172.17.0.1/16 172.17.0.1/16
Ethernet2/0/0 Ethernet2/0/0
172.16.1.1/16 172.16.1.1/16
CE-C CE-C
AS65013 AS65013
PC PC PC PC
3-44
PE-B PE-B
30.1.1.1 30.1.1.1
Ethernet2/0/0 Ethernet2/0/0
172.17.1.1/16 172.17.1.1/16
City B City B CE-B CE-B
10.12.1.0/ 10.12.1.0/
24 24
PC PC PC PC
VPN 2 VPN 2