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Yes, it could happen if you press and hold the mode button for 10 seconds.The stack configuration will be erased and the stack reloads. Then, the switch ID may or may not renumber depending on how the switches power up.The config gets erased and Expr...
The donwload is slow which could be for many reasons, but one thing you can check is make sure you don't have any mismatch in terms of half/full duplex on the link.++jose
I suggest you to download CNA from CCO.This tool allows you to upgrade a 3K switch or stack by just point and clik/drag.The .tar image contains a set of html files to be use with a tool called Device Mgr. this tool allows you to manage the switch. If...