Only got Archer AX20 v1.20 yesterday.  (works well while it works)

Today I was reconnecting my Ring Door Pro to the new router's 5G SSID when it timed out.

I came back inside and family was saying the 5G SSID disappeared.   (2.4G SSID and Ethernet still work fine)

After reboot of the router 5G SSID re-appeared.

I checked System Log and it cleared everything after a reboot!!   How am I going to troubleshoot what went wrong?

2020-10-15 12:54:11 NAT INFO [8351] FTP ALG enabled

2020-10-15 12:54:10 Traffic Statistics INFO [7428] Clear all stats because time changed

2020-10-15 12:54:10 Led Controller INFO [1131] Start to run NIGHT

2020-03-26 00:00:36 NAT INFO [8351] Initialization succeeded