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The Switch Port Utilization dialog box displays the utilization percentage for each collision domain segment on a switch. It also displays the backplane utilization for the entire switch.
The backplane is the switch's internal communication channel that passes information to ports. Backplane utilization is the amount of this channel's available bandwidth being used by traffic moving between switch ports.
Knowing port utilization can help you determine the point at which the amount of traffic on a port segment causes a decline in performance.
Viewing the Port Utilization dialog box
To view the Switch Port Utilization dialog box, choose Port Utilization from the Switch menu on the Switch Device Viewer.
Changing the sampling interval
To change the interval at which the switch is polled, change the value in the Sampling Interval field. The sample interval may vary slightly from the value you enter, due to SNMP agent response time and network traffic.
If a value in the percentage column displays "Error", the current utilization poll failed. If the port isn't disabled, the error should clear with the next utilization poll.
This applies to:
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