[165633] in North American Network Operators' Group

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Re: Cymru Bogon AS path change

daemon@ATHENA.MIT.EDU (Rabbi Rob Thomas)
Mon Sep 16 13:23:56 2013

Date: Mon, 16 Sep 2013 13:23:43 -0400
From: Rabbi Rob Thomas <robt@cymru.com>
To: Ben Bartsch <uwcableguy@gmail.com>
In-Reply-To: <CAOvEG7NTrjxB_FFeEthKE8mCP1v8g1FBiq42eew9UOsh+NrVfw@mail.gmail.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

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Hi, NANOGers.

> Did anyone else notice that the path changed from 65332 to 65332 65331
> earlier today?

My apologies!  We had a configuration "oops" during a migration to a new
back-end infrastructure.  We're working through that now, and I believe
we have it sorted.  I'll send out a more gory detailed update in a bit.

> We certainly did when we starting advertising all the bogons to our ISP
> peers.  Probably should have had an inbound AS path filter on that cymru
> peering...

Yes, please, great advice from both you and Nick.  Our Juniper
configuration templates have something along these lines already.  I
need to add the same to our Cisco configuration snippets.

   <https://www.team-cymru.org/Services/Bogons/bgp-examples.html>

Feedback on the configuration snippets is always welcome!  Be the first
in your ASN to add your name to the contributor list.  :)

Again my apologies for any inconvenience or consternation this mishap
has caused.

Thanks,
Rob.
- --
Rabbi Rob Thomas
Team Cymru
https://www.team-cymru.org/
"Does this augment or diminish human liberty?" - William F. Buckley

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