Significance of Confederation

jason_hu · Created Aug 13, 2021 06:55:14

Hello,
We're working on your problem. Please be patient.

jason_hu · Created Aug 13, 2021 07:12:29

Hi friend!
A BGP confederation is an alternative method to route reflectors, used to reduce the number of BGP peerings within a single AS. Furthermore, it is a single AS that has been subdivided into a number of internal sub-AS's, yet still, advertise as a single AS to external peers.

If route reflectors peer with an EBGP peer, only AS number is passed. If a member of the confederation is peering with a BGP peer located in another AS, the sub-AS numbers located in the AS-Path are suppressed and only the confederation number is passed within the AS Path attribute.

So in conclusion BGP Confederation vs Route-Reflector – these are two different methods for solving the same problem.

Thanks!

Abdul500 · Created Aug 13, 2021 12:42:15

Posted by jason_hu at 2021-08-13 07:12 Hi friend!A BGP confederation is an alternative method to route reflectors, used to reduce the numbe ...

Dear Friend,
Can we do like this that we use both RR and confederation on a network.

But if we compare both RR and Confederation then confederation looks difficult

1) We need to perform configuration on each device and each device must support confederation
2) Logical topology need to be modified
3) Sub AS within a confederation need to establish eBGP peering
4) Confederation cannot be used in large scale network and it has only few applications.

Please need your expert opinion on it. Thanks

kunthea · Created Aug 13, 2021 13:42:33

Note with thank

andersoncf1 · Created Aug 13, 2021 16:27:39

Useful information! Congrats

Significance of Confederation

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