[121901] in North American Network Operators' Group
Re: Default route with object tracking
daemon@ATHENA.MIT.EDU (Dan White)
Mon Feb 1 10:36:31 2010
Date: Mon, 1 Feb 2010 09:31:02 -0600
From: Dan White <dwhite@olp.net>
To: Andrey Gordon <andrey.gordon@gmail.com>
In-Reply-To: <90ccfc91002010713n18f00974p8d237054c4cf52de@mail.gmail.com>
Cc: Nanog <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 01/02/10 10:13 -0500, Andrey Gordon wrote:
>Hi list.
>
>I'd like to setup my default routes to the Interwebz to be conditional on
>reachability of something on the Interwebz. I got two different ISPs (no
>BGP). I'm trying to figure out what would be a reliable object to track?
>Meaning, it's probably not reasonable to track my ISPs default gateway,
>since it does not protect me from someone on the ISP side screwing up. I'm
>thinking of tracking something like google.com, but am not sure if after I
>resolve google.com for the first time, it will be simply tracking an
>arbitrary server (or some load balancer).
>
>I wanted to see what experienced folks think is a reliable tracking target.
>Any comments are much appreciated.
Publicly advertised DNS server IPs should be good, such as google's 8.8.8.8
and 8.8.4.4.
--
Dan White
