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DES-7200 Configuration Guide Chapter 2 Configuring BGP IP VPN
2-85
DES-7200# configure terminal
DES-7200(config)# ip vrf VPN_EXTRA
DES-7200(config-vrf)# rd 1:100
DES-7200(config-vrf)# route-target both 1:100
DES-7200(config-vrf)# route-target both 1:200
DES-7200(config-vrf)# end
# Associate the VRF with an interface.
DES-7200# configure terminal
DES-7200(config)# interface gigabitethernet 1/0
# 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 1/0)# no switchport
DES-7200(config-if-GigabitEthernet 1/0)# ip vrf forwarding VPN_EXTRA
DES-7200(config-if-GigabitEthernet 1/0)# ip address 192.168.100.2 255.255.255.0
DES-7200(config-if-GigabitEthernet 1/0)# end
# Enable BGP and set up MP-IBGP sessions with PE2 and PE3.
DES-7200# configure terminal
DES-7200(config)# router bgp 1
DES-7200(config-router)# neighbor 172.168.0.2 remote-as 1
DES-7200(config-router)# neighbor 172.168.0.2 update-source loopback 0
DES-7200(config-router)# neighbor 172.168.0.3 remote-as 1
DES-7200(config-router)# neighbor 172.168.0.3 update-source loopback 0
DES-7200(config-router)# address-family vpnv4
DES-7200(config-router-af)# neighbor 172.168.0.2 activate
DES-7200(config-router-af)# neighbor 172.168.0.3 activate
DES-7200(config-router-af)# end
# Enable OSPF to exchange routes with a CE.
DES-7200# configure terminal
DES-7200(config)# router ospf 10 VPN_EXTRA
DES-7200(config-router)# network 192.168.100.0 255.255.255.0 area 0
DES-7200(config-router)# redistribute bgp subnets
DES-7200(config-router)# exit
DES-7200(config)# router bgp 1
DES-7200(config-router)# address-family ipv4 vrf VPN_EXTRA
DES-7200(config-router-af)# redistribute ospf 10
DES-7200(config-router-af)# end