Re: Is "switchport trunk allowed vlan all" necessary?
No, all VLANs are allowed by default you don't need this command by default, this command is used to manipulate some design consideration when defining the VLANs that are not allowed to transmit and receive on the trunk port:
This example shows how to define the allowed VLANs list for trunk port Fa0/1 to allow VLANs 1 to 100, VLAN 250, and VLANs 500 to 1005, and how to verify the allowed VLAN list for the trunk:
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...