Command Manual – PoEH3C S7500 Series Ethernet Switches Chapter 1 PoE Configuration Commands1-14By default, the PoE priority of a port is low.Note that this command is used together with the poe power-management command,and takes effect when the PoE power output of the switch reaches nearly to itsmaximum value.Examples# Set the PoE priority of Ethernet 3/0/1 to critical. system-viewSystem View: return to User View with Ctrl+Z.[H3C] interface Ethernet 3/0/1[H3C-Ethernet3/0/1] poe priority critical1.1.14 poe upgradeSyntaxpoe upgrade { refresh | full } filenameViewSystem viewParametersrefresh: Upgrades the existing valid software in the PSE in the refresh mode.full: Reloads the software to the PSE when there is no valid software in the PSE.filename: Upgrade file name, with a length of 1 character to 63 characters.DescriptionUse the poe upgrade command to upgrade the processing software in the PSE 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, no PoE commands can besuccessfully executed), you can use the full mode to update and restore thesoftware.z When the upgrade procedure is interrupted for some unexpected reasons (such asfailure which causes restart), if the update in the full mode fails after restart, youmust upgrade the software in the full mode after power-off and restart of the device,and then restart the device manually. In this way, the former PoE configuration canbe restored.