Hello.
It looks like a setting in a place like a hotel. That aside, let's get to the point.
If other APs don't seem to have link down, I think it's a good idea to isolate the situation from the physical layer and troubleshoot.
- What is the difference between some APs and others?
- What if I change the cable?
- What if I change the connection lan port?
- Was there any impact on the AP's power supply at that time? (PoE or external power supply)
It is necessary to investigate the cause by isolating the situation from the lower layer.
Regard,
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