Your method would work. I suggest checking to see if the router supports DD-WRT and installing a version of that. It will generally allow you to put in AP only mode even if the original version didn't have that option.
On Thu, Jul 12, 2018 at 2:13 PM, Winterlight <winterli...@winterlight.org> wrote: > In order to use an old router as only a switch and wifi which is pluged > into another internet router ..... all I need to do is disable DHCP Server > in the old router... or is there something else? Thanks > >