Hi, On Wed, Dec 10, 2025 at 05:01:25PM +0200, Saku Ytti via cisco-nsp wrote: > a) fast-external-fallover is default, you can break it by doing > multipath (e.g. some configuration related to blackholing next-hop > manipulation or GTSM may break it) > b) you may not need 'add-path' to have backup, if you have full-mesh > 'advertise-best-external' if enough. If you have RR you need both.
"advertise-best-external" was indeed what I was thinking about, thanks.
(Note that on IOS XR this only works if you use labeled unicast, as
we found out to our dismay...)
gert
--
"If was one thing all people took for granted, was conviction that if you
feed honest figures into a computer, honest figures come out. Never doubted
it myself till I met a computer with a sense of humor."
Robert A. Heinlein, The Moon is a Harsh Mistress
Gert Doering - Munich, Germany [email protected]
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