Thanks Mike. All of these switches came out of the box with the Version 15.0(2a)EX5 code.We configured them for our environment and then put them in production.  All were connected back to a 4507 switch.  The 4507 2 - 10gb uplink was disconnected for...

Hi Mike,We have recently installed several of the 2960x switches and switch stacks in our environment.  Today we lost the connection to the connection on our 4507 aggregation switch to our core.  Once we established the connection again, all of our 3...