[mrtg] Contents of mrtg digest...

McDonald, Dan Dan.McDonald at austinenergy.com
Tue Aug 5 14:48:17 CEST 2014

From: Sagar Kupati <sagar.kupati at in2cable.com<mailto:sagar.kupati at in2cable.com>>
Date: Tuesday, August 5, 2014 at 7:15 AM
To: "mrtg at lists.oetiker.ch<mailto:mrtg at lists.oetiker.ch>" <mrtg at lists.oetiker.ch<mailto:mrtg at lists.oetiker.ch>>
Subject: Re: [mrtg] Contents of mrtg digest...

Hi Folks,

I am still awaited for your reply on the below said issue.

Looks like you are trying to use snmp Version 1, which has 32-bit counters.  They roll over more than twice in a 5-minute period when interface speeds are over about 600mb.
Instead, you should use snmp version2c or 3, which have 64-bit counters and can easily handle 100gig traffic without rolling over twice in a 5-minute period.

You can use snmp version 2c by just apending a :2 to the end of the Target[] definitions, or to the hostname when feeding cfgmaker.

Snmp version 3 is easier with templates, and you need to load some additional software.  Details are available at Steve Shipway’s site.  I monitor about 100 cisco 3750 and 3750x switches using snmp v3

Thanks in advance.

Sagar Kupati

On Thu, Jul 31, 2014 at 6:47 PM, Sagar Kupati <sagar.kupati at in2cable.com<mailto:sagar.kupati at in2cable.com>> wrote:
Hi Team,

Greeting for the day,

I am facing one issue in MRTG while pulling the graphical data.
I am using cisco WS-3750 switch, one of my interface traffic is around 100 MB where graph is pulling properly and there is no issue.
But there is one another interface traffic is around 800-900 MB and my MRTG is not pulling the same.
I am using MRTG ver 2.16.4

Kindly assist.

please find the attached graph.

Sagar Kupati

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