[c-nsp] BGP Routes

Mohammad Khalil eng_mssk at hotmail.com
Sun Mar 12 14:51:30 EDT 2023


Thanks for the hint , actually this is what I have been thinking of but was wondering how can I get more details or samples about that as a matter of proof.
________________________________
From: cisco-nsp <cisco-nsp-bounces at puck.nether.net> on behalf of Mark Tinka via cisco-nsp <cisco-nsp at puck.nether.net>
Sent: Sunday, March 12, 2023 9:49 PM
To: cisco-nsp at puck.nether.net <cisco-nsp at puck.nether.net>
Subject: Re: [c-nsp] BGP Routes



On 3/12/23 20:21, Mohammad Khalil via cisco-nsp wrote:

> Greetings
> I have two ASR9K connected to different providers (Uplinks).
> I am receiving around 90K routes from each provider , as well , I have iBGP between the ASR9K.
> What am noticing is that ASR9K1 is advertising around 87K to ASR9K2 where ASR9Ks is advertising around 7K routes.
> Any hints?

A case of active routes being announced to neighbors, where active
routes = best routes/paths as seen from each router's point of view.

ASR9K1 has more routes with better paths toward destinations via its
upstream than ASR9K2 does.

Mark.
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