Orion NPM is monitoring the performance of DS-3 utilizing standard MIBs in the ifTable. Occasionally, the reported traffic rates for this interface spike well above45 Mbps. What is the most likely cause?

Question

Quizplus · Accepted Answer

Counter rollovers are likely causing the reported traffic rates to spike above 45 Mbps, as DS-3 interfaces have a maximum capacity of 45 Mbps, and older MIB counters can roll over, leading to incorrect readings.

Orion NPM Is Monitoring the Performance of DS-3 Utilizing Standard