[c-nsp] SNMP traffic monitoring / alerting

[Aaron R]

Hi there,

It looks like im going to have to script this. MRTG thresholds will only do
things when an SNMP OID reaches or exceeds a certain value. Given that the
2^32 counter for the interface octets will reset once reaching 4294967296
this is much less than the threshold I want to set. 

I hope that makes sense.

Cheers,

Aaron.



-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Chris Boyd
Sent: Thursday, February 14, 2008 3:31 PM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] SNMP traffic monitoring / alerting

recent versions of MRTG do this.

http://www.cloudnet.com/~tom/mrtg/thresh.html
has better notes than mone on how to set it up.

On Feb 14, 2008, at 12:14 AM, Aaron R wrote:

> Hey Guys,
>
>
>
> Has anyone come across a good app (open source or not) that will  
> monitor the
> amount of traffic flowing in/out a particular interface and alert  
> you once a
> certain threshold has been reached? Alerting via email would be  
> preferable.
> I don't really have the time to invest in writing a script in perl  
> as I can
> see there will be headaches with keeping track of the interface  
> counter
> resets.
>
>
>
> Thanks for any advice as always.
>
>
>
> Aaron.
>
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