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Bandwidth Monitoring Question

Does anybody know what might cause a Network Monitoring Tool to report that a router interface is over 100% utilization? For instance our Solarwinds Orion Server reports that a FastEthernet connection provisioned for 50 Mbps (configured with a bandwidth 50000 statement) and is connected to an ATM Switch sometimes reports 150% utilization. Monitoring is being done via SNMP. The only time I've ever heard of this is for esoteric Frame Relay configurations with dynamic routing protocols that use bandwidth as a metric (say EIGRP for example.)

Any insight that anybody can offer would be appreciated.

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Re: Bandwidth Monitoring Question

I'm assuming that you have configured the bandwidth speed in NPM correctly. That being said it is a common problem in NPM. Search Thwack for over utilization and you'll see some posts on it.

Hope that helps.