Much appreciated!

@Tony I checked the location you suggested and found I already "changed" this, still no dice. To clarify what I'm looking for, here's a screenshot from the ASUS router I'm coming from: Maybe it's not...

@Tony Well now, looky there. I'll give it a try. Many thanks for the education!

Can someone point me to the location to rename the "network" (or DNS suffix) of the Archer AX6000? It appears to be that of the default SSID, but I'd much prefer having it something...