@muzicman0 You specify each LAN subnet's custom DNS IP's in the LAN definition...you do not try to assign them to the WAN port.

@Banaipe Do keep in mind you'll never be able to port forward across the ZTE device regardless of what router you use.

@Banaipe Ok, bit of a head scratcher, but would it be fair to say you want users connected to the wifi of the ZTE device to be able to reach servers connected to the wired side of the ER605 when the...

@Banaipe Still not following. Your carrier assigns your USB modem a private IP via DHCP. There is no way to change the dynamic AND private nature of this IP without contacting your carrier and likely...

@itkairos Here's one of my better examples, start at the 4th post in the thread https://community.tp-link.com/en/business/forum/topic/634228 screen grabs of matching server/client setups can be found...

@itkairos You can do this a few ways. Probably the easiest is if all voip devices are on the same VLAN (or an ip range). Then just apply a policy route for traffic in the VLAN or subnet IP range to...