What's with all the long aspaths?

Jon Lewis jlewis at lewis.org
Wed Oct 22 21:57:38 CDT 2008


Yeah...prepending isn't a big deal...but when someone prepends their own 
AS 70+ times, I wonder WTF they're thinking.

On Thu, 23 Oct 2008, James Baker wrote:

> bgp path prepend?
>
> -----Original Message-----
> From: Jon Lewis [mailto:jlewis at lewis.org]
> Sent: Thursday, 23 October 2008 3:40 p.m.
> To: nanog at nanog.org
> Subject: What's with all the long aspaths?
>
> Is there something silly going around?  I doubt I'm the only one
> noticing
> these being triggered by our generous maxas-limit setting.
>
> Oct  9 23:01:46: %BGP-6-ASPATH: ... 27754 27754 27754 ...
> Oct 17 11:10:40: %BGP-6-ASPATH: ... 43413 43413 43413 ...
> Oct 22 06:34:09: %BGP-6-ASPATH: ... 38230 38230 38230 ...
>
> Anyone have theories as to what these networks are trying to accomplish?
>
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>  Jon Lewis                   |  I route
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----------------------------------------------------------------------
  Jon Lewis                   |  I route
  Senior Network Engineer     |  therefore you are
  Atlantic Net                |
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________




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