I've been concentrating on my 6224 for the time being, but will be sure to update the 53xx and 54xx switches as well. The 6224 is fully up to date with the latest firmware and is still giving the wrong uptime with the OID i posted earlier. Furthermore, the OID that was posted earlier (1.3.6.1.2.1.1.3) comes back with no response. I'm testing this with "snmpget" in Linux.

Is the OID provided not implemented in the 6224, oir is it different in this switch as opposed to the 54xx series?

Thanks for looking for me, I really appreciate it! While you're looking for that, I'll go ahead and upgrade at least one of our 5000 series switches and see if I can get an accurate reading on that. The reason I've been concentrating on the 6224 is because I'm looking to get alerted when the uptime on that switch (our central layer 3 switch that connects 4 of our buildings) is too low, indicating that it has rebooted (I've had that happen on a few PowerConnect switches in the past and am just covering my bases).

Thanks again!