[mrtg] Re: interface removal cause snmpwalk

Mark Jones mjones at mnsi.net
Mon Jun 19 18:02:00 MEST 2006

I am accessing the interfaces by name not if num
----- Original Message ----- 
From: "Joel Staiman" <jstaiman at snipmail.net>
To: "'Mark Jones'" <mjones at mnsi.net>
Sent: Monday, June 19, 2006 10:48 AM
Subject: RE: [mrtg] interface removal cause snmpwalk

>> I have mrtg running here great with one exception.
>> If I remove an interface from one of our cisco routers that 
>> mrtg is setup to pole it causes mrtg to try and find the 
>> interface by walking the whole interface mib. The problem 
>> with this is that the router in questions has thousands of 
>> interfaces so it causes the cpu on the router to spike to 
>> 100% and stops all further monitoring with mrtg until it 
>> finishes the walk. unfortunately the walk takes a few minutes 
>> and I am set to pole every minute so my mrtg server then 
>> spirals down as well.
> Issue the following command to keep the interface #'s static:
> snmp-server ifindex persist
> -- 
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.1.394 / Virus Database: 268.9.0/368 - Release Date: 6/16/2006

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