3Com 3C13636 Configuration Manual page 921

3Com Router 3000 Ethernet Family
Configuration Guide
PC1 is accessed into the VPN1 and VPN2 through CE1. The IP address for PC1 is
100.1.1.2.
Note:
In the case the configuration is focused on this point:
With proper configuration of static route and routing policy, PC1 can access packets in
different VPNs and search routes in different VPN-instances.
II. Network diagram
Serial0/0/0: Serial0/0/0:
1.1.1.2/24 1.1.1.2/24
PC1 PC1
100.1.1.2/24 100.1.1.2/24
Figure 3-18 Multi-role host network diagram
III. Configuration procedure
1) Configure CE1.
# Configure a default route to PE1 on CE1.
[CE1] ip route-static 0.0.0.0 0 1.1.1.1
2) Configure PE1
# Configure two VPN-instances respectively for VPN1 and VPN2 on PE1, set different
VPN-targets for them.
[PE1] ip vpn-instance vpn1
[PE1-vpn- vpn1] route-distinguisher 100:1
[PE1-vpn- vpn1] vpn-target 100:1 both
[PE1-vpn- vpn1] quit
[PE1] ip vpn-instance vpn2
[PE1-vpn- vpn2] route-distinguisher 100:2
[PE1-vpn- vpn2] vpn-target 100:2 both
[PE1-vpn- vpn2] quit
# Bind the interface connecting PE1 and CE1 with VPN 1.
PE1 PE1
Serial1/0/0: Serial1/0/0:
2.1.1.1/24 2.1.1.1/24
Serial1/0/0: Serial1/0/0:
Serial0/0/0: Serial0/0/0:
2.1.1.2/24 2.1.1.2/24
1.1.1.1/24 1.1.1.1/24
CE1 CE1
Ethernet2/0/0: Ethernet2/0/0:
100.1.1.1/24 100.1.1.1/24
3Com Corporation
Chapter 3 BGP/MPLS VPN Configuration
PE2 PE2
Serial0/0/0: Serial0/0/0:
Serial0/0/0: Serial0/0/0:
3.1.1.2/24 3.1.1.2/24
3.1.1.1/24 3.1.1.1/24
Ethernet2/0/0: Ethernet2/0/0:
110.1.1.1/24 110.1.1.1/24
PC2 PC2
3-59
CE2 CE2