@Vincent-TP I would like to return to my suggestion of replacing the router and the EAP. It is understandable that a device without an IP address cannot function correctly. If assigning an IP address...

@Vincent-TP @MR.S Hello, thank you for the tips. I couldn't find ARP because it's located in a different place. However, I do have a 22-bit network.

@MR.S Hello, Arp is not listed.

@MR.S Thank you for the link. Unfortunately, I still can't find the ARP option.

@MR.S

@MR.S I can't find this option. I'm too stupid.