User's Manual

Table Of Contents
470
Users Manual of CS-6306R
45.4.4.8 BGP autonomous system alliance example
The following figure shows an autonomous system alliance configuration. RTA, RTB and RTC create the
IBGP connection. RTA, RTB and RTC belong to the private autonomous system 65010. RTE belongs to the
private autonomous system 65020. RTE and RTA establish the EBGP connection in the autonomous system
alliance. AS65010 and AS65020 make up of an autonomous system alliance. The number of the autonomous
system alliance is AS200. RTD belongs to AS100. An EBGP connection is established between RTD and
AS200 through RTA.
RTA configuration:
interface vlan110
ip address 1.0.0.1 255.0.0.0
!
interface vlan111
ip address 2.0.0.1 255.0.0.0
!
interface vlan112
ip address 4.0.0.1 255.0.0.0
!
interface vlan113
ip address 5.0.0.1 255.0.0.0
!
router bgp 65010
bgp confederation identifier 200
bgp confederation peers 65020
neighbor 1.0.0.2 remote-as 65010 /*RTB IBGP*/
neighbor 2.0.0.2 remote-as 65010 /*RTC IBGP*/
neighbor 5.0.0.2 remote-as 65020 /*RTE EBGP*/
neighbor 4.0.0.2 remote-as 100 /*RTD EBGP*/
RTB configuration:
interface vlan110