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DES-7200 Configuration Guide Chapter 2 Configuring BGP IP VPN
2-39
DES-7200(config-router)# address-family ipv4
DES-7200(config-router-af)# neighbor 10.10.10.2 activate
DES-7200(config-router-af)# neighbor 10.10.10.2 send-label
DES-7200(config-router-af)# end
Setting Up an EBGP Session Between ASBRs to Exchange Labels Through IPv4 Routes
This procedure is similar to Setting Up an EBGP Session Between ASBRs to Exchange Labels
Through IPv4 Routes in Scheme 1 and is not described here.
Configuring a Multi-Hop MP-EBGP Session
Set up a multi-hop MP-EBGP session between the RRs of two ASs to exchange inter-AS VPN
routes. At the same time, disable the transmission of IPv4 routes for the session. The PE routes
are advertised to another AS through the ASBR.
Enter the privilege mode and perform the following configuration procedure:
Command Function
DES-7200# config terminal
Enter the global configuration mode.
DES-7200(config)# router bgp
asn-number
Enable BGP and enter the BGP configuration
mode.
DES-7200(config-router)# neighbor
rr-address
remote-as ebgp-asn-numbe
Set up the EBGP session.
DES-7200(config-router)# neighbor
rr-address
update-source interface-name
Use the address of the loopback address as the
source address to set up an EBGP session.
DES-7200(config-router)# neighbor
rr-address
ebgp-multihop
Configure multi-hop EBGP attributes.
DES-7200(config-router)#
address-family ipv4
Enter the IPv4 address family.
DES-7200(config-router-af)# no
neighbor rr-address activate
Disable IPv4 route exchange for the session.
DES-7200(config-router-af)# exit
Quit the IPv4 address family.
DES-7200(config-router)#
address-family vpnv4
Enter the VPN address family.