@Tescophil Could be the router rebooting itself? Can you ping the router LAN IP when the issue happen? Is there any evidence you can see in the log? I'm also using ER605 but I've never seen this issue

@JonHt Are you able to Ping the Root EAP IP (or the Router's LAN IP) from the 5 port switch side? You mentioend you can ping AP's IP, does that mean you can ping the mesh EAP225-outdoor? If so,...

@Arjz It depends on how many Modems you will connect. If your public IP comes from 2nd Modem, and connected to 2nd WAN port, then yes the oamda router can do policy routing. But if you only have one...

@Jeesoon1 I'm not familiar with your NAS but for my experience, the two ports on the NAS is for Link Aggregation. The NAS will not enjoy two IPs on two ports.

@Marytech I think you also need to add an IPv6 ACL rule? For tp-link switch, it seems like IPv4 ACL and IPv6 ACL are individual.

@PSGSTL Did you check subnet mask of your PC? It should be 255.255.255.0 The gateway is not necessary. Also tplinkwifi.net is not available for CPE. On the CPE antenna, make sure the LAN LED turns to...