Its not obvious what the problem is.

The spikes seem to be evenly spaced, which is odd.

Its likely either a bug in the switch SNMP stack which is returning zero or referring to the 32bit counters, or a network congestion issue caused by a crown job.

Do all of the devices have the same software versions?

Adam.

Kristjan Hinn - PERH <Kristjan.Hinn@regionaalhaigla.ee> wrote:

Hello,

 

Im having trouble graphing Avaya ERS5530 switches. Graphs generated have very wierd spikes of ~700 Gbps what is impossible.

I have other switches drawing graphs just fine. And to get this even more wierder one of my eight Avaya ERS5530 is drawing graphs just fine.

Picture of the problematic graph: https://dl.dropboxusercontent.com/u/41978197/observium/xtuum1.JPG

 

Has anyone got any idea what could case this?

 

BR,

Kristjan Hinn