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.