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PoE Configuration Example
PoE Configuration Example
Networking requirements
Switch A is an S3100 series Ethernet switch supporting PoE, Switch B can be PoE powered.
z The Ethernet 1/0/1 and Ethernet 1/0/2 ports of Switch A are connected to Switch B and an AP
respectively; the Ethernet 1/0/8 port is intended to be connected with an important AP.
z The PSE processing software of Switch A is first upgraded online. The remotely accessed PDs are
powered by Switch A.
z The power consumption of the accessed AP is 2,500 mW, and the maximum power consumption
of Switch B is 12,000 mW.
z It is required to guarantee the power feeding to the PDs connected to the Ethernet 1/0/8 port even
when Switch A is under full load.
Networking diagram
Figure 1-1 Network diagram for PoE
Switch A
Network
Eth1/0/2
Eth1/0/1 Eth1/0/8
Switch B AP AP
Configuration procedure
# Upgrade the PSE processing software online.
<SwitchA> system-view
[SwitchA] poe update refresh 0290_021.s19
# Enable the PoE feature on Ethernet 1/0/1, and set the PoE maximum output power of Ethernet 1/0/1
to 12,000 mW.
[SwitchA] interface Ethernet 1/0/1
[SwitchA-Ethernet1/0/1] poe enable
[SwitchA-Ethernet1/0/1] poe max-power 12000
[SwitchA-Ethernet1/0/1] quit
# Enable the PoE feature on Ethernet 1/0/2, and set the PoE maximum output power of Ethernet 1/0/2
to 2500 mW.
[SwitchA] interface Ethernet 1/0/2
[SwitchA-Ethernet1/0/2] poe enable
[SwitchA-Ethernet1/0/2] poe max-power 2500
[SwitchA-Ethernet1/0/2] quit
# Enable the PoE feature on Ethernet 1/0/8, and set the PoE priority of Ethernet 1/0/8 to critical.
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