[89632] in North American Network Operators' Group
Re: Backbone Monitoring Tools
daemon@ATHENA.MIT.EDU (Jim Trocki)
Wed Mar 29 08:10:30 2006
Date: Wed, 29 Mar 2006 08:09:54 -0500 (EST)
From: Jim Trocki <trockij@arctic.org>
To: Alexei Roudnev <alex@relcom.net>
Cc: Ray Burkholder <ray@oneunified.net>,
'Ashe Canvar' <acanvar@gmail.com>, nanog@nanog.org
In-Reply-To: <013501c65313$654c6fb0$6401a8c0@alexh>
Errors-To: owner-nanog@merit.edu
On Wed, 29 Mar 2006, Alexei Roudnev wrote:
>
> I use snmpstatd - snmpstat.sf.net .
>
Oooh, looks nice!
>> From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On Behalf Of
>> Ashe Canvar
>> 2. actively detect routing changes / failover to redundant paths using
>> traceroutes
>> i.e. alert if SFO->CHG->NYC changes to SFO->LXE->HOU->NYC
>> ( link state protocols suck as far as testing backup paths go)
Ashe,
I've done this using "mon" (http://www.kernel.org/software/mon/). It comes with
two traceroute monitors which remember the past paths and alert when that path
changes. In fact, one of the monitors can even detect load-balanced alternate
paths, e.g. if there are multiple possible intermediate paths during normal
operation.
You'll want to look at the latest 1.1 release from CVS:
http://www.kernel.org/software/mon/development.html
>> 3. actively transfer a fixed file
>> i.e. draw a datarate grid between every datacenter and every other
>> datacenter
In fact, I belive people have done precisely this with mon before.
Try asking on the mailing list, I'm quite sure someone will respond.
>> I am in a buy vs. build debate with my boss ;)
Build! I think mon gets you at least 90% to where you want to go.
