I run an RT-AC66U with ASUSWRT-Merlin 378.55 as my main router with the connection to the internet. This router provides DHCP for all of the devices on the network, and also provides WIFI. It seems to work fine, except that it is a bit far from my desk. I also run a R7000 with XWRT-Vortex 378.56_2 as a separate WIFI access point only. The R7000 access point connects to the AC66U for internet access. When it works it is great, and much faster than the AC66U. But when I connect via WIFI...
Temporary Loss of DNS Server
Temporary Loss of DNS Server