24 Aug
2025
24 Aug
'25
12:46 p.m.
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