[111904] in North American Network Operators' Group
RE: anyone else seeing very long AS paths?
daemon@ATHENA.MIT.EDU (Jon Lewis)
Mon Feb 16 13:02:54 2009
Date: Mon, 16 Feb 2009 13:02:23 -0500 (EST)
From: Jon Lewis <jlewis@lewis.org>
To: John van Oppen <john@vanoppen.com>
In-Reply-To: <DB9EA494D2E5614D842C2BC65C2D1722714E35@mail-ww.vanoppen.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
On Mon, 16 Feb 2009, John van Oppen wrote:
> I am also a bit leery of setting it much lower than the defaults due to
> the possibility of filtering something my customers will care about...
> I am not sure what the best strategy is but what really bit a couple of
> our customers was their old IOSes that tore the sessions down. I note
> that most of our customers speaking BGP had no issue just three out of
> about 25.
>
>
> What do people think is a reasonable maximum as-path length to enforce
> at ones edge?
I've been using 75 for years and have never seen it trigger on
'legitimate' routes.
----------------------------------------------------------------------
Jon Lewis | I route
Senior Network Engineer | therefore you are
Atlantic Net |
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