Configuring a confederation is optional. The AS and confederation topology design should be carefully planned. Autonomous system (AS), confederation, and BGP connection and peering parameters must be explicitly created on each participating router. Identify AS numbers, confederation numbers, and members participating in the confederation.
See the BGP section for CLI syntax and command descriptions.
To configure a confederation:
- config>router - confederation confed-as-num members member-as-num The following example shows the configuration of the confederation topology in Figure: Confederation configuration.
Confederations can be preconfigured before configuring BGP connections and peering.
Each confederation can have up to 15 members.
The following example shows a confederation configuration:
A:ALA-B>config>router# info
#------------------------------------------
# IP Configuration
#------------------------------------------
interface "system"
address 10.10.10.103/32
exit
interface "to-104"
shutdown
address 10.0.0.103/24
port 1/1/1
exit
autonomous-system 100
confederation 2002 members 200 300 400
router-id 10.10.10.103
#------------------------------------------
A:ALA-B>config>router#