Bjørn Mork wrote on 01/09/2023 08:17:
Sounds familiar.
https://supportportal.juniper.net/s/article/BGP-Malformed-AS-4-Byte-Transitive-Attributes-Drop-BGP-Sessions?language=en_US
You'd think a lot of thought has gone into error handling for optional
transitive attributes since then, but...
A good deal of thought has gone into the problem, and this is where
rfc7606 came from. Treat-as-withdraw for the NLRI in question is the
default option with this approach, and should be deployed universally.
Nick