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DES-7200 Configuration Guide Chapter 2 Configuring BGP IP VPN
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DES-7200(config-router-af)# exit
DES-7200(config-router)# exit
# Enable MPLS and BGP label distribution on CE
DES-7200(config)# interface gigabitEthernet 1/1
# In case of a switch, configure the interface to RoutedPort interface (not applicable to a
router)
DES-7200(config-if)# no switchport
# In case of a router, enable fast forwarding on the interface (not applicable to a switch)
DES-7200(config-if)# ip ref
DES-7200(config-if)# label-switching
DES-7200(config-if)# ip address 172.1.1.2 255.255.255.0
DES-7200(config-if)# no shutdown
DES-7200(config-if)# exit
DES-7200(config)# router bgp 65010
DES-7200(config-router)# neighbor 172.1.1.1 send-label
DES-7200(config-router)# exit
Configure Second Carrier
# Configure MPLS network: Please refer to the section of "Configure MPLS Network" for the
example of "Second Carrier provides Internet service based on IP core". Configuration objects
are CE1, CE2 and ASBRs (1-4).
Note
You need to enable LDP on CSC-CE in order to establish sessions with other
intra-site devices in order to build MPLS network. If CSC-CE and CSC-PE use
BGP to exchange routes, then you must execute "advertise-labels for
bgp-routes" on CSC-CE to allow LDP to distribute labels for BGP routes.
# Configure BGP neighbor: Establish BGP adjacency between two ASBRs.
## Configure ASBR2 as the BGP neighbor on ASBR1. The configurations of other ASBRs are
the same.
DES-7200(config)# router bgp 65010
DES-7200(config-router)# neighbor 5.5.5.5 remote-as 65010
DES-7200(config-router)# neighbor 5.5.5.5 update-source Loopback 0
DES-7200(config-router)# neighbor 5.5.5.5 next-hop-self
DES-7200(config-router)# exit
Configure user access
Please refer to the section of "Configure user access" for the example of "Second Carrier
provides Internet service based on IP core".