On Thu, 21 Jul 2022 at 10:37, Nick Hilliard <[email protected]> wrote: > Sriram, Kotikalapudi (Fed) wrote on 19/07/2022 22:24: > > Question: Operationally, is an AS_SET ever used in the*middle* > > between AS_SEQUENCEs? Or, should one simply give zero credence to > > it?
> > tl;dr: epsilon levels of credence. My take on this: In the spirit of RFC6472, any route with an AS_SET in it should not be considered valid (by ASPA-based validation). If the route contains an AS_SET and a covering ASPA object exists for the origin ASN of the route, then the route must be marked with an Invalid status. Kind regards, Job >
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