HUB only operates in half duplex mode, all ports of a hub in the same collision domain and this is the reason. In case of switches all ports are in separated collision domains and can operate in FDX mode.
If you need FDX connection change your hub to switch.
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...