@d0ugmac1 BTW, thanks for all your help. So, this is what I came up with to simplify things. Router (ER605 V2) Port 1 is WAN, Port 5 to Switch A VLAN 1: 1-5 VLAN 2: 1,5 Untagged Ports: 1-4 Tagged...

@d0ugmac1 Thanks for your help!

@d0ugmac1 Okay, that makes sense. I'll have three VLANs, VLAN 1 is default, VLAN 2 is my home, and VLAN 3 is my wife office computer. If I put VLAN 3 on a different subnet, will VLAN 2 still be on...

@Hank21 I'll tag Port 1 on Switch A to the router (ER605), then create a VLAN in the ER605. Switch A will connect to Port 5 on the ER605, so should it look like this? Port 1 is WAN, Port 5 to Switch...

@d0ugmac1 Thanks for the reply! Had to look up hairpinning... What would be the downside? If it's a problem, I'll just put VLAN 3 on a different subnet than VLAN 2.

I have never tried to do a VLAN, but read a few articles, so hopefully the below will work. I want to separate my wife office computer from our home network. She will only use Ports 6 and 7 on Switch...