Hello, I have configured a trunk port on a C9300 stack as follows:
interface TenGigabitEthernet3/0/37
switchport trunk native vlan 91
switchport trunk allowed vlan 2-4,81,91
switchport mode trunk
no ip igmp snooping tcn flood
It will pass untagged traffic for vlan 91, but it will NOT pass any tagged traffic. I have tested with 3 non-cisco switches and I have tested with my laptop with an adapter set to vlan 2. I also tried with vlan 3 and vlan 4 with no luck. I have been beating my head on this for over 8 hours and I am completely confused on what I am missing.
I have also tried this with a port-channel (LACP) with this single port and the other switches tested with a port-channel. Both switches showed the port-channel (LACP) up on both ends and traffic from VLAN 91 passing.
Help!
Thank you
Bryan
