I am running a stack of Catalyst 3750's in a large office. I often find that ethernet ports are patched to desks that end up not being used for long periods of time. We end up with hardly any free switchports and it becomes a very manual job to find out which can be reused for another user. Is there a command I can use to view the date/time that each port was last up? This way I can see that a port has not been up for months and easily disconnect it for reuse.