I confirm that Internet connection is working fine during WAN port ON/OFF events. So only question is - what do these events mean? What is difference between WAN0 and WAN1 ports in log events?

I'm attaching logs from the first router boot: 2020-09-07 00:00:30 Led Controller INFO [1146] Start to run WAN1_OFF 2020-09-07 00:00:30 Led Controller INFO [1146] Start to run WAN0_ON 2020-09-07...

@Kevin_Z This has no connection with ISP. It has connection with device connected on LAN port (TV box - Mecool K7). Today we turn on the TV box -> it will immediately appear in the log: 2021-03-11...

Hello, I found some unexpected WAN port ON/OFF events in router logs (listed below). Trigger is LAN port ON/OFF. LAN ON/OFF is OK, because there is connected TV box (Mecool K7). So why does the WAN...