A couple things to check. First, check to be sure that the destination mac address is in the cam table. If not, we are going to flood the packet. Also, please make sure that you have all your end user stations set with portfast enabled. Without i...
Actually, you need to be sure that BOTH ends are set exactly the same. If the NIC is set to 100/full and the switch is set to "auto", you WILL get a duplex mismatch. See the following doc for more details.http://www.cisco.com/warp/public/473/46.htm...
