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Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
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Chapter 32 Configuring IP Unicast Routing
Configuring Multi-VRF CE
Figure 32-6 Multi-VRF CE Configuration Example
Configuring Switch A
On Switch A, enable routing and configure VRF.
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# ip routing
Switch(config)# ip vrf v11
Switch(config-vrf)# rd 800:1
Switch(config-vrf)# route-target export 800:1
Switch(config-vrf)# route-target import 800:1
Switch(config-vrf)# exit
Switch(config)# ip vrf v12
Switch(config-vrf)# rd 800:2
Switch(config-vrf)# route-target export 800:2
Switch(config-vrf)# route-target import 800:2
Switch(config-vrf)# exit
Configure the loopback and physical interfaces on Switch A. Gigabit Ethernet port 1 is a trunk
connection to the PE. Fast Ethernet ports 8 and 11 connect to VPNs:
Switch(config)# interface loopback1
Switch(config-if)# ip vrf forwarding v11
Switch(config-if)# ip address 8.8.1.8 255.255.255.0
Switch(config-if)# exit
Switch(config)# interface loopback2
Switch(config-if)# ip vrf forwarding v12
Switch(config-if)# ip address 8.8.2.8 255.255.255.0
Switch(config-if)# exit
Switch A
Switch D
VPN1
VPN2
CE1
Global network
208.0.0.0
Fast
Ethernet
8
Gigabit
Ethernet
1
101386
PE CE2
Switch E
108.0.0.0
Fast
Ethernet
7
Switch F
118.0.0.0
Fast
Ethernet
11
Switch G
168.0.0.0
Fast
Ethernet
3
VPN1
VPN2
Global network
Switch H
Switch J
Switch K
CE = Customer-edge device
PE = Provider-edge device
Switch B Switch C