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Power Over Ethernet (PoE) Operation

Configuring PoE Operation

Syntax: power [slot < slot-identifier >] threshold < 1 - 99 > (Continued)

To continue the preceding example, if the PoE power usage on

the xl PoE module in slot B drops below 70%, another SNMP

trap is generated and you will see this message in the Event

Log:

Slot B POE usage is below threshold of 70 %.

For a message listing, refer to “PoE Event Log Messages” on

page 11-23. (Default Global PoE Power Threshold: 80)By

using the [slot < slot-identifier >] option, you can specify

different notification thresholds for different xl PoE modules

installed in the switch. For example, you could set the power

threshold for a PoE module in slot “A” to 75% and the threshold

for the module in slot “B” to 68% by executing the following

two commands:

HPswitch(config)# power slot a threshold 75

HPswitch(config)# power slot b threshold 68

Note that the last threshold command affecting a given slot

supersedes the previous threshold command affecting the

same slot. Thus, executing the following two commands in the

order shown sets the threshold for the PoE module in slot “D”

to 75%, but leaves the thresholds for any PoE modules in the

other slots at 90%.

HPswitch(config)# power threshold 90

HPswitch(config)# power slot d threshold 75

(If you reverese the order of the above two commands, all PoE

modules in the switch will have have a threshold of 90%.)

Configuring Optional PoE Port Identifiers

The Configured Type field enables you to configure a unique identifier for PoE

ports that helps to identify the intended use for a given PoE port. Such

identifiers are useful when viewing PoE status with the following commands:

show power-management brief (page 11-16)

show power-management < port-list > (page 11-17)

To configure a unique identifier for one or more PoE ports, use the switch’s

setmib command to change the identifier setting in the switch’s MIB (Manage-

ment Information Base), as described in the following steps.

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HP 5300 Informações Técnicas Página 200