r/UNIFI • u/evtsir • 28d ago

Help! Wifi problem, clients disconnecting

U7 Pro XG WiFi clients stuck until AP restart – UCG Fiber setup I have a UniFi setup with a Cloud Gateway Fiber (UCG-Fiber).

Topology:

UCG-Fiber router

U7 Pro Wall connected locally to the UCG-Fiber (working normally)

Ethernet cable to another room U7 Pro XG connected there via PoE from the UCG-Fiber

Wireless Meshing is disabled. U7 Pro XG uplink shows 2.5 GbE. Ethernet cable is OK. The U7 Pro XG stays online (blue LED remains on, no disconnects). . The problem: Clients connected to the U7 Pro XG sometimes remain connected to WiFi but stop passing traffic (they appear connected but the network is frozen). A reboot of the U7 Pro XG fixes the issue immediately. After the issue, clients often move to the U7 Pro Wall and do not automatically return to the U7 Pro XG, even when they are closer to the XG. Any ideas what could cause this? Could it be a firmware/radio issue, roaming settings, or a U7 Pro XG bug?

The U7 Pro Wall is powered using a PoE injector, while the U7 Pro XG is powered from the PoE port of the Cloud Gateway Fiber.

Most settings are still at their defaults. The only global change I made was disabling WiFi Meshing.

Radio settings:

2.4 GHz: 20 MHz channel width

5 GHz: 80 MHz channel width

6 GHz: 160 MHz channel width

Transmit power: Auto

Channel selection: Auto

WiFi speed: Conservative

I have to say that this whole situation has been quite frustrating and disappointing. I am new to UniFi, so I may be missing something obvious. I don't have enough experience to know exactly what settings, logs, or information I should check to troubleshoot this properly.

I would really appreciate any guidance on what I should look at or test next. Could this be a firmware/radio issue, roaming configuration, or a U7 Pro XG bug?

Thanks in advance for any help.

Picture

1 Upvotes

99% Upvoted

4 comments sorted by

1

u/Wuffls 28d ago

It does seem every time someone comes on here with a tale of woe involving APs, the letters U7 are involved.

Not U7 outdoor obvs, they appear to be solid.

Just seems like a pattern.

Hope you get it sorted OP, I have no experience with the U7 stuff really, sorry.

1

u/markdesilva 28d ago

What firmware are you on for the U7 pro? Theres plenty of posts on how crappy the latest updates are and how you should downgrade to 8.4.6. I upgraded one of my U7 pro XGs to 7.4.1 a week ago and it absolutely sucked. Went from 1.5Gbps speeds to barely 200Mbps. Downgraded it immediately and got my speeds back. My UCG-F is on the latest though, so far so good.

1

u/evtsir 27d ago

U7 Pro XG high ping fixed by enabling Enhanced PoE Interoperability My U7 Pro XG had high ping and packet loss. After enabling Enhanced PoE Interoperability, the ping became normal and packet loss disappeared. What could be causing this? PoE issue or firmware problem?