nanog mailing list archives

Re: AS PATH limits


From: "Jörg Kost" <jk () ip-clear de>
Date: Mon, 02 Oct 2017 09:53:59 +0200

Its also happily announced onwards, e.g. by Telia:

Oct 2 07:25:09:E:BGP: From Peer ... received Long AS_PATH= AS_SEQ(2) 1299 174 262206 262206 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 262197 ... attribute length (567) More than configured MAXAS-LIMIT 64

On 30 Sep 2017, at 17:09, sthaug () nethelp no wrote:

If you're on cogent, since 22:30 UTC yesterday or so this has been happening
(or happened).

Still happening here. I count 562 prepends (563 * 262197) in the
advertisement we receive from Cogent. I see no good reason why we
should accept that many prepends.

Steinar Haug, Nethelp consulting, sthaug () nethelp no


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