@DB4774 Can you describe your network layout? Where is the EAP in the network? DB4774 wrote A disconnection and reconnection/ recycling of adapter re-establishes the UDP only to fail again after the...

@EIBROG In general case, all clients will obtain the new IPs when router DHCP Release time is up(usually is 2h). If you wanna push the procedure, you need to reboot all devices manually.

@Steevo789 What about enabling Maxtream feature? This function will make connection between CPEs more stable.

@Eric2022 What is the version of your controller？ Ping from my laptop does not work for any domain If you ping those IP address, can it ping through?

@Bistromatic What if you set the VPN IP Pool as same as LAN IP pool？ You can change the VPN IP pool to 192.168.100.X and test it.

@yepaingsoe001 It seems like you can not get internet in client side, suggest you check whether AP CPE is still working, you can ping router IP address on this PC. If you can not ping through, and AP...