JST

Yes, it is. Thank you for pointing out the solution to me!! :)

I got it to work. I basically tagged VLAN10 on all ports on the GS1900-16. @Zyxel_Derrick Is that what you had in mind?

@Zyxel_Derrick Thank you for getting back to me! What do I need to do to configure the member of VLAN10 on the ports of both switches? I have setup the PVID, but that's not enough.

Bad news! My solution has stopped working when I had to put another switch in front of the switch with the phone. Here is my new setup: UDM-PRO (DHCP) -> GS1900-16 -> GS1900-8 The MAC tables on both GS1900 properly show the connected phone, but it just doesn't get an IP address. I am guessing that I need some extra…

Hi @TimThom and @Zyxel_Derrick Thank you for getting back to me! I finally got it working. Here is what worked for me in the end. VLAN -> Port Ports 1 to 16 are set to 1, ALL, Disable, Disable VLAN -> VLAN Port VLAN1 All ports are set to Untagged VLAN10 Port 1 and 16 are set to Tagged All other ports are set to Untagged…