You may be able to rectify the situation by enabling portfast on the ports that connect the PC's. Do not use portfast on any port that connects to another hub or switch. To do this, go into interface config mode on the switch for the port desired and type in
This also helps rectify other UDP forwarding issues such as DHCP problems.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...