# Monitoring a Router Module

Monitor

This dialog box displays gauges of CPU and memory usage for the router module.

Memory Used

Percentage of available RAM in use on the CPU, calculated by the following formula:

100 * (processorRam - freeMem) / processorRam

Buffer Failures

Percentage of buffer allocation attempts that failed, calculated by the following formula:

bufferFail * 100 / (bufferHgHit + bufferLgHit + bufferBgHit + bufferMdHit + bufferSmHit + bufferFail)

CPU Busy % (5 sec) (busyPer)

CPU busy percentage in the last 5-second period.

CPU Busy % (1 min) (avgBusy1)

Average CPU busy percentage over the last minute.

CPU Busy % (5 min) (avgBusy5)

Average CPU busy percentage over the last 5 minutes.

Click Cancel to close the dialog box. Click Print to print the contents of the dialog box.