Foremost, pinging the management IP of the 2950 is not a good way to measure performance. The respond time is strictly of function on the internal CPU and not relevant to traffic flow. In addition, ping is very low on the CPU priority list.Neverthe...

There are known performance limitations with Supervisor II, not necessarily performance problems. The Supervisor II is comprised of 3 12-gigabit (24-gigabit Full duplex) switching asics, interconnected by 1-gigabit connections. In addition, each sl...

Can you post the access-group 101 configuraton.

I believe the original behavior was to show serial number in CatOS. In newer versions of software for the Catalyst, the serial number, is not display and only the hostname is display.

You need to layout your spanning-tree topology and determine the root. From there, track down all switch connections, etc, it appears there is an issue with a switch connected of 1/2,2/2? I would also suggest turning the logging level of spanning-t...