3Com 7700 Configuration Manual page 143

Figure 13 Networking Diagram of AS Confederation Configuration
1 Configure Switch A:
[Switch A] bgp 1001
[Switch A-bgp] confederation id 100
[Switch A-bgp] confederation peer-as 1002 1003
[Switch A-bgp] peer 172.68.10.2 as-number 1002
[Switch A-bgp] peer 172.68.10.3 as-number 1003
2 Configure Switch B:
[Switch B] bgp 1002
[Switch B-bgp] confederation id 100
[Switch B-bgp] confederation peer-as 1001 1003
[Switch B-bgp] peer 172.68.10.1 as-number 1001
[Switch B-bgp] peer 172.68.10.3 as-number 1003
3 Configure Switch C:
[Switch C] bgp 1003
[Switch C-bgp] confederation id 100
[Switch C-bgp] confederation peer-as 1001 1002
[Switch C-bgp] peer 172.68.10.1 as-number 1001
[Switch C-bgp] peer 172.68.10.2 as-number 1002
[Switch C-bgp] peer 156.10.1.2 as-number 200
[Switch C-bgp] peer 172.68.1.2 as-number 1003
BGP 135