[c-nsp] Re: cisco-nsp Digest, Vol 39, Issue 95

Marko Milivojevic markom at PanGalactic.net
Thu Feb 23 10:18:36 EST 2006

	Speaking of RTG, could someone point me to a working combination of RTG 
poller and RTG grapher that can actually work with interfaces faster than 
2.5 Gb/s :-(.


Jon Dustin wrote:
> RTG may not be very polished, but is the only serious contender I have
> found to specifically address the performance issue. The poller is
> written in C, with a MySQL client built-in for speedy inserts. The
> schema has also been designed for speed, rather than simplicity (three
> tables for each device - InOctets, OutOctets, Errors). 
> BUT - All this attention to speed gives some flexibility in deployment,
> as you may split apart the polling, graphing, and storage functions if
> you wish. And the graphing function only takes CPU cycles when someone
> wants to view (rather than Cacti/MRTG that constantly generate graphs).
> We run RTG with a 5-minute poll cycle for over 300 devices and around
> 11000 ports. The entire poll cycle takes about 30 seconds, and is
> running on a Xeon 2.8GHz cpu with lots of other tasks to do.
> http://rtg.sourceforge.net 
> Message: 7
> Date: Thu, 23 Feb 2006 09:47:18 -0500 (EST)
> From: Dave Temkin <dave at ordinaryworld.com>
> Subject: RE: [c-nsp] Monitoring GUI for Cisco network
> To: Chris Hale <chris-lists at pipelinewireless.us>
> Cc: cisco-nsp at puck.nether.net 
> Message-ID: <Pine.LNX.4.58.0602230946590.2534 at ordinaryworld.com>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>>From looking at this it looks like it would take some serious
> customization to get it to do anything other than 5 minutes, or am I
> missing something?
> -Dave
> On Wed, 22 Feb 2006, Chris Hale wrote:
>> OpenNMS can do this at whatever intervals you want.  It becomes a
> matter of
>> disk i/o and CPU if you want to poll a large network in a very short
> amount
>> of time.
>> We use it to poll our core devices every minute, graph every 5, and
>> poll/graph standard nodes every 5 minutes.
>> It also is our Syslog/trap server, notification/paging system, etc.
>> Chris

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