Nagios and Cisco router configs.

[Stanley Hopcroft]

Dear Sir,

I am writing to thank you for your letter and say,


On Thu, Feb 05, 2004 at 01:59:36PM -0800, nagios-users-request at lists.sourceforge.net wrote:

> Subject: RE: [Nagios-users] Cisco: Configuration save
> Date: Thu, 5 Feb 2004 09:24:47 -0700
> From: "Cook, Garry" <GWCOOK at mactec.com>
> To: <Volker.Aust at premiere.de>,
> 	<manfred.steinbacher at scheucher.at>,
> 	<nagios-users at lists.sourceforge.net>
> 
> 
> I've seen a couple of posts that say Nagios isn't designed for either of
> these tasks. While this may be true for the mac-address portion of the
> post, I'm not so sure about the configurations save. I've written a
> shell script that uses SNMP to TFTP configs from all my Cisco equipment
> to the box that hosts Nagios. It runs from cron daily, and a second
> script archives the configs regularly as well. It's kind of a pain to
> edit this script every time a new device is added or removed. Now, if
> there was a Nagios check that would do this for me, it would be much
> easier.
>
 .. snip ..
 

> Comments/suggestions?
>

IMHO opinion you are reinventing what RANCID already does.

Have a look at Joe Abley's superb paper

http://www.nanog.org/mtg-0210/abley.html
 
to see that RANCID provided router configs (in a CVS ..) provides the 
foundations for other valuable applications such as

. autogenerated (dynamic) dot maps of your internet

. ACL/filter audit

. Max prefixes ...

To my mind some of these applications could then generate passive 
service check results (if the BGP prefix of some outpost exceeds a 
certain length, ACLs change etc).

> Garry W. Cook, CCNA
> Network Infrastructure Manager
> MACTEC, Inc. - http://www.mactec.com/
> 303.308.6228 (Office) - 720.220.1862 (Mobile)
> 
> 

Yours sincerely.

-- 
------------------------------------------------------------------------
Stanley Hopcroft
------------------------------------------------------------------------

'...No man is an island, entire of itself; every man is a piece of the
continent, a part of the main. If a clod be washed away by the sea,
Europe is the less, as well as if a promontory were, as well as if a
manor of thy friend's or of thine own were. Any man's death diminishes
me, because I am involved in mankind; and therefore never send to know
for whom the bell tolls; it tolls for thee...'

from Meditation 17, J Donne.


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