Dear Sriram, others,

(speaking as working group participant)

On Wed, Jan 25, 2023 at 05:17:08PM +0000, Sriram, Kotikalapudi (Fed) wrote:
> Please let us also know if you would have interest in providing an
> implementation.

Perhaps it is worthwhile adding a suggestion to the document for BGP
stack vendors to make it super easy to reject BGP routes that contain an
AS_SET anywhere in the AS_PATH?

Modern versions of OpenBGPD have a single 'global' knob to reject BGP
routes with AS_SETs: https://man.openbsd.org/bgpd.conf#reject
As draft-ietf-idr-deprecate-as-set-confed-set progresses towards
publication, I think it'll make sense to change the default setting to
become 'reject routes with AS_SETs'.

I imagine operators would benefit from availability of similar knobs in
other BGP implementations too.

Kind regards,

Job

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