nanog mailing list archives

Re: Link-state EGP


From: Saku Ytti via NANOG <nanog () lists nanog org>
Date: Sun, 24 Aug 2025 15:46:06 +0300

On Sun, 24 Aug 2025 at 13:09, <nanog () immibis com> wrote:

No, you can't, because your upstream's shortest route leads back to you and that's a loop. Any difference in route 
calculation between two nodes in a link-state protocol is likely to create a loop.

The sender will know if it loops or not, if they can choose a
non-shortest path that will not loop. I.e. LFA, loop free alternative.

-- 
  ++ytti
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