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SNMP Monitor on a Counter OID

I'm working on setting up a new "Application" to monitor some values from our Cisco routers via SNMP. My issue is that the OIDs in question are "Counters" and not "Gauges". This isn't a problem for the Universal Device Poller as it's smart enough to convert the values as needed, but it's not feasible to use in this particular instance. Is there any way within APM to get it to transform a Counter value into some sort of delta? Otherwise my graphs are just going to be up-trending slopes, which doesn't really provide any useful information.

Thanks!

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mcbridea

Why not just make a UnDP and include it on the APM component details view?

dewach

Thanks for the reply.

For what we're trying to monitor (class-based QOS counters), even though our router configuration is consistent across sites, the OID values are totally different per router. This would require me to setup / maintain UnDP configs per device. For what it's worth, this was the route I went doing initial testing, and it's just going to be cumbersome to maintain vs. a web-based APM template that can just be overridden per-device with the correct OID indexes.

The other issue with using UnDP is that the data returned is without any context - in other words if we poll "cbQosCMDropBitRate" UnDP returns:

82.3801073
82.14420769
82.14967793

But if I use an APM template I can set up the pollers to be "CallControl" or "FTP" etc.

UnDP is also useless in this case for alerting, as each device would have its own set of pollers; there's no way to set up a 2-3 alerting rules that would apply across the deployment.

mcbridea

I see. UnDP won't be helpful with CBQoS as you have to do some joins it won't support. Orion NetFlow Traffic Analyzer monitors CBQoS queues before and after the policy is applied. Don't know if that is what you are after though.

Andy