Command Manual – PoE & PoE Profile
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 1 PoE Configuration Commands
Huawei Technologies Proprietary
1-13
Parameter
refresh: The refresh update mode is used when the PSE processing software is valid.
The refresh update mode is to upgrade the valid software in the PSE.
full: The full update mode is used when the PSE has no valid processing software. The
full update mode is to delete the invalid software in the PSE completely and then reload
the valid software.
filename: Update file name, with a length of 1 to 64 characters.
Description
Use the poe update command to update the PSE processing software online.
 Note:
z The full mode is used only when you cannot use the refresh mode.
z When the PSE processing software is damaged (that is, all the PoE commands
cannot be successfully executed), you can use the full mode to update and restore
the software.
z When the upgrading procedure in refresh update mode is interrupted for some
unexpected reason (such as power-off) or some errors occur, if the upgrade in full
mode fails after restart, you must upgrade in full mode after power-off and restart of
the device, and then restart the device manually. In this way, the former PoE
configuration is restored.
Example
# Update the PSE processing software online.
<Quidway>system-view
System View: return to User View with Ctrl+Z.
[Quidway] poe update refresh 0290_021.s19
Update PoE board successfully
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