I have an operational mixed stack of three 2960s and i want to upgrade IOS.  I tried using the archive download-SW command but got this error.   Error: The image in the archive which would be used to upgradeError: system number 2 does not support tha...

I am banging my head against an issue that has been ongoing on my school network.  Every day (or if i'm lucky...every other day) i am seeing a switch closet go down.  Its not the same one each time, and its at random times.  All the closets are in a ...