On Thu, May 08, 2025 at 02:53:57PM +0200, Marko Cupać wrote:
> Hi,
>
> since upgrade to 7.7 I started to get following messages:
>
> May 8 14:26:11 bgp2 bgpd[92923]: neighbor IP.ADD.RE.SS (peername): bad
> ASPATH XXXX XXXXX { XXXXX }, path invalidated and prefix withdrawn
>
> Is there anything I should do about it?
>
> I am purposefully not sending detailed information about the setup in
> order not to overload possible readers with unnecessary information,
> will gladly send more info if needed.
bgpd by default rejects now any AS paths attribute containing AS_SET path
segments. Have a look at the 'reject as-set' config option and
draft-ietf-idr-deprecate-as-set-confed-set for more information.
--
:wq Claudio
