[mrtg] Re: MRTG drop to zero when peaking

[Tim Sheets]

> -----Original Message-----
> From: Jon Ha [mailto:Jon at mail.xanga.net]
> Sent: Thursday, April 01, 2004 3:32 PM
> To: mrtg
> Subject: [mrtg] MRTG drop to zero when peaking
> 
> I recently started using MRTG with RRD to collect bandwidth
> usage from an HP2848 switch.  Everything is fine except when 
> the traffic peaks the graph drops down to zero then slowly 
> starts back up again and returns to normal after one hour.  
> MRTG detects Max speed as 125 MBytes/sec.  So I'm wondering 

It sounds like you may be running into a counter wrap issue.  Try using
SNMP version 2 (check the docs) and see if that helps.

Tim

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