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DES-7200 Configuration Guide Chapter 2 Configuring BGP IP VPN
2-86
# Configure the MPLS signaling on the backbone network and enable MPLS on the public
network interface.
DES-7200# configure terminal
DES-7200(config)# mpls ip
DES-7200(config)# mpls router ldp
DES-7200(config-mpls-router)# ldp router-id interface loopback 0 force
DES-7200(config-mpls-router)# exit
DES-7200(config)# interface gigabitethernet 1/1
# The no switchport command is used to switch the port mode on switches to routed port mode.
It is not applicable to routers. You are not required to run this command on routers.
DES-7200(config-if-GigabitEthernet 1/1)# no switchport
DES-7200(config-if-GigabitEthernet 1/1)# ip address 172.168.10.1 255.255.255.0
DES-7200(config-if-GigabitEthernet 1/1)# label-switching
DES-7200(config-if-GigabitEthernet 1/1)# mpls ip
DES-7200(config-if-GigabitEthernet 1/1)# end
# Configure routing protocols on the backbone network.
DES-7200# configure terminal
DES-7200(config)# router ospf 1
DES-7200(config-router)# network 172.168.10.0 0.0.0.255 area 0
DES-7200(config-router)# network 172.168.0.1 0.0.0.0 area 0
DES-7200(config-router)# end
PE2:
# Configure the loopback interface.
DES-7200# configure terminal
DES-7200(config)# interface loopback 0
DES-7200(config-if-Loopback 0)# ip address 172.168.0.3 255.255.255.255
# Configure the VRF.
Create two VRF instances: VPNA and VPNB. Set the RD and RT values, and associate the
VRFs with their corresponding interfaces.
DES-7200# configure terminal
DES-7200(config)# ip vrf VPNA
DES-7200(config-vrf)# rd 1:100
DES-7200(config-vrf)# route-target both 1:100
DES-7200(config-vrf)# exit