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DES-7200 Configuration Guide Chapter 2 Configuring BGP IP VPN
2-48
PE and CE use EBGP to distribute labels
If PE and CE use EBGP to exchange routes, then execute the following commands on PE and
CE respectively to configure PE and CE to use EBGP to distribute labels.
The configuration steps of PE are shown below:
Command Function
DES-7200(config)# interface
interface-name
Configure the interface connecting CE.
DES-7200(config-if)# ip ref
In case of a router, enable fast forwarding (not
applicable to a switch).
DES-7200(config-if)#
label-switching
Enable MPLS on the interface.
DES-7200(config-if)# router bgp
asn
Enter BGP configuration mode
DES-7200(config-router)#
address-family ipv4 vrf vrf-name
Enter IPv4 address family configuration mode
DES-7200(config-router-af)#
neighbor {peer-address |
peer-group-name} send-label
Enable BGP to carry labels for IP routes
DES-7200(config-router-af)# end
Return to privilege mode
DES-7200# show running-config
Display existing configurations.
DES-7200# show bgp vpnv4
unicast vrf vrf-name labels
Display BGP label information
The configuration steps of CE are shown below:
Command Function
DES-7200(config)# interface
interface-name
Configure the interface connecting PE.
DES-7200(config-if)#
label-switching
Enable MPLS on the interface.
DES-7200(config-if)# ip ref
In case of a router, enable fast forwarding (not
applicable to a switch).
DES-7200(config-if)# router bgp
asn
Enter BGP configuration mode