534
Fig 13-11
Confederation configuring topology
The configurations are as following:
SwitchA:
SwitchA(config)#router bgp 100
SwitchA(config-router-bgp)#neighbor 11.1.1.2 remote-as 200
SwitchB:
SwitchB(config)#router bgp 10
SwitchB(config-router-bgp)#bgp confederation identifier 200
SwitchB(config-router-bgp)#bgp confederation peers 20
SwitchB(config-router-bgp)#neighbor 12.1.1.3 remote-as 10
SwitchB(config-router-bgp)#neighbor 13.1.1.4 remote-as 20
SwitchB(config-router-bgp)#neighbor 11.1.1.1 remote-as 100
SwitchC:
SwitchC(config)#router bgp 10
SwitchC(config-router-bgp)#bgp confederation identifier 200
SwitchC(config-router-bgp)#bgp confederation peers 20
SwitchC(config-router-bgp)#neighbor 12.1.1.2 remote-as 10
SwitchD:
AS200
AS10
AS20
AS100
vlan1:11.1.1.1
AS300
vlan1:11.1.1.2
Vlan2:13.1.1.2
vlan3:12.1.1.2
vlan1:12.1.1.3
vlan1:13.1.1.4
SwitchA
SwitchB
SwitchC
SwitchD