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The Switch Information page displays.
5. Select System > Monitoring > Port Statistics.
The previous figure is an example. Your switch might provide more or fewer ports.
6. To clear the port statistics, click the Clear Counters button.
All statistics counters change to 0.
PoE considerations for switches that support
PoE
A switch that supports Power over Ethernet (PoE) prioritizes the PoE power that it supplies
in ascending port order (that is, from the lowest-numbered port to the highest-numbered
port), up to its total power budget. If the power requirements for the attached powered
devices (PDs) exceed the total power budget of the switch, the PD on the
highest-numbered port is disabled to make sure that the PDs that are connected to the
higher-priority, lower numbered ports are supported first.
Just because a PD is listed as an 802.3at PoE powered device does not necessarily mean
that it requires the maximum power limit of the specification. Many PDs require less
power, allowing all PoE ports to be active simultaneously.
The following table describes the PoE classes and the PoE power that a switch allocates.
Table 7. PoE classes and PoE power allocations
Range of Power
Delivered to the
Powered Device
Minimum Power
Allocated to the
Powered Device
Class DescriptionStandardDevice Class
0.44W–12.95W0.44WDefault power (full)PoE and PoE+0
0.44W–3.84W4.0WVery low powerPoE and PoE+1
User Manual72Manage and Monitor the Switch
Gigabit Ethernet Plus Switches
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