I got a problem with my home network.

I have my smart TVs in my IoT VLAN and my Apple devices in my main VLAN.

With version 1.3.6 [2025.12.30] of the ER8411 and the version 1.20.20 (or maybe an older one 1.20.1X) AirPlay worked.

After upgrading to the pre-releases 1.20.22 and later 1.20.24 and later 1.20.25 airplay did not work at all.

Now I downgraded the switch to 1.20.20 and AirPlay still does not work in the other VLAN, when my iPhone is natively in the IoT VLAN it works totally fine. 

Since I also upgraded my Gateway I can not say anymore it is definetly the Switches fault or the Gateways fault (or maybe both?). I also do not remember anymore if 1.20.20 was the last version airplay worked properly. 

The issue I have is, that my Apple devices can't even find the AirPlay TV in the other VLAN, which means mDNS is not working at all.

Besides that, I already had a support ticket, but whyever after the e-mail adress change of my TP-Link account, I never received a reply of them, after the forum escalation E-Mail, could that be checked before, because if that is not working, a forum escalation does not make sense.