Information Technology Reference
In-Depth Information
Example 8-79
BGP Configurations on R2 (Continued)
neighbor Internal remote-as 65000
neighbor Internal update-source Loopback0
neighbor 192.168.24.4 remote-as 65001
neighbor 192.168.25.5 remote-as 65001
neighbor 192.168.100.1 peer-group Internal
neighbor 192.168.100.3 peer-group Internal
no auto-summary
R3 peers only with R1 and R2 in the same member AS. (See Example 8-80.)
Example 8-80
BGP Configurations on R3
router bgp 65000
no synchronization
bgp router-id 192.168.100.3
bgp log-neighbor-changes
bgp confederation identifier 100
bgp confederation peers 65001
network 192.168.200.0
neighbor Internal peer-group
neighbor Internal remote-as 65000
neighbor Internal update-source Loopback0
neighbor 192.168.100.1 peer-group Internal
neighbor 192.168.100.2 peer-group Internal
no auto-summary
R4 is a border router in member AS 65001. It peers with R1 and R2 using
intraconfederation eBGP. (See Example 8-81.)
Example 8-81
BGP Configurations on R4
router bgp 65001
no synchronization
bgp router-id 192.168.100.4
bgp log-neighbor-changes
bgp confederation identifier 100
bgp confederation peers 65000
neighbor Internal peer-group
neighbor Internal remote-as 65001
neighbor Internal update-source Loopback0
neighbor 192.168.14.1 remote-as 65000
neighbor 192.168.24.2 remote-as 65000
neighbor 192.168.100.5 peer-group Internal
neighbor 192.168.100.6 peer-group Internal
neighbor 192.168.100.7 peer-group Internal
no auto-summary
