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DES-7200 Configuration Guide Chapter 2 Configuring BGP IP VPN
2-104
The configuration scheme is as follows:
PE1-AS1:
The configuration procedure is similar to that of PE1-AS1 in Inter AS VPN OptionB: Next Hop
Unchanged and is not described here.
P1-AS1:
The configuration procedure is similar to that of P1-AS1 in Inter AS VPN OptionB: Next Hop
Unchangedand is not described here.
ASBR1:
# Configure the loopback interface.
DES-7200# configure terminal
DES-7200(config)# interface loopback 0
DES-7200(config-if-Loopback 0)# ip address 3.3.3.3 255.255.255.255
# Enable BGP, disable the BGP RT filtering function, set up neighbor relations with the PE and
ASBR, and modify the next hop of routes to the neighbor PE as the local address.
DES-7200# configure terminal
DES-7200(config)# router bgp 1
DES-7200(config-router)# no bgp default route-target filter
DES-7200(config-router)# neighbor 1.1.1.1 remote-as 1
DES-7200(config-router)# neighbor 1.1.1.1 update-source loopback 0
DES-7200(config-router)# neighbor 30.30.30.2 remote-as 2
DES-7200(config-router)# address-family vpnv4 unicast
DES-7200(config-router-af)# neighbor 1.1.1.1 activate
DES-7200(config-router-af)# neighbor 1.1.1.1 next-hop-self
DES-7200(config-router-af)# neighbor 30.30.30.2 activate
DES-7200(config-router-af)# end
# Configure MPLS signaling and enable MPLS on a 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