@Drogon_5 Sorry to be clear, all traffic is tagged. So no need for PVID.

@Drogon_5 PVID is not set upon the switch. It is only this VLAN that does not work. The other VLANs work fine.

@Drogon_5 See additional attachment.

Hello, I have created an addition VLAN upon the switch, but it does appear to work. The VLAN is configured exactly the same as the others which work fine. So i see no reason as to why it would not...