@YuriyB Thank you so much for taking the time to post the issue on the TP-Link community! To better assist you, I've created a support ticket via your registered email address and escalated it to our...

@Bug_do_Ti Thank you so much for taking the time to post the issue on the TP-Link community! To better assist you, I've created a support ticket via your registered email address and escalated it to...

@mdede We haven’t been able to reproduce your issue locally. As suggested, if possible, we recommend scheduling a remote session with us so we can troubleshoot the problem together.

@ElSigma We’re currently running local tests based on your configuration; I’ll let you know as soon as we have the results.

@wickie You can refer to this:How to configure VLAN with Omada Network v6

@Devil1988 Could you share some configuration screenshots? Also, what’s the exact model of the RJ45-SFP module you’re using?