@dnwalker If you have SNMP enabled, SNMP will raise the CPU for a short time, and if it is not a constant high CPU usage, it will generally not have much effect. You can refer to this thread:...

@Wahyu19 Actually there is the LAN light on the device, see if the light is on when LAN0 is plugged in with a cable. It is better to use the same network cable to plug in LAN1 to do the comparison,...

@NorthernMike This FAQ on the tplink website has the similar issues to what you are talking about and can be used as a reference：https://www.tp-link.com/en/support/faq/3044/

@MagillaGorilla It looks like you have a double layer of NAT devices in your network, I supposed you also need to open the corresponding ports(port forwarding) on eero Pro 6 for the back-end devices.

@matthewrknoll I didn't have this problem with the upgrade, it is a little bit wired. Maybe you can update the EAP's fw to the latest one to have a try. Does this happen to all EAPs? Does the log...

@Shatobrian Can the EAP still broadcast SSID and get IP address properly now? If so, you can use the PoE switch to power it to make sure the EAP itself is OK. BTW, you can check if your POE extender...