@RobertMEF I think it is better not to change the detection interval too short, for example, you said 1 second. If the online detection interval is adjusted too short, a little bit network...

@PT55 I think that although you see the device displayed in this list, it has no effect on actual usage and doesn't really Block out. If the device is still unable to communicate, I suggest you check...

@Anthony0101 Did you set a VLAN ID for this WAN connection? If so, you can try to remove it. If no, contact the ISP and check whether need a VLAN ID.

@SHRM-IT What is your current version of the controller? Mine is 5.4.7, when I go to ACL, choose Direction-----WAN IN. Here you can set the rule for blocking internet ( WAN ) to LAN.

@Joenw If you only have an EAP, then it may not suit your needs as the EAP is an access point, not a repeater, and you need to connect the EAP to your router with a ethernet cable to extend the...

@clangren Do you have a management VLAN set up? Can the gateway and controller still communicate with each other after moving to the MGMT VLAN? Do a ping test. Have you set up ACL entries? What is...