I have read several other posts on similar topics. The solutions offered I have tried with no success. My computer is a MacBook Air (2020) running Sonoma. I have powered off the hub for a minute, it comes back to green light. I did the seven second reset with a pen through the circular hole in the bottom of the hub. It came back as described. Through out this, I can access and control switches and wifi lights with the Hubitat App on my iPhone and iPad both are version 2.0.9 (356). I have AT&T fiber internet and their Smart Home software sees the hub with IP address 192.168.1.95. I know this is accurate because the MAC address is the same as on the label on the bottom of the hub. I have tried http://192.168.1.95 and http://192.168.1.95/:8081 on both Safari and Chrome and get time outs after a minute stating the server is not responding. I have no other network problems. New suggestions wanted. Thank you.
Have you tried:
Also, do you have a flat network? Or is it segmented in any way? Is your hub hard-wired, or connected via WiFi? Does your router bridge the wired and wireless segments of your LAN?
This is unlikely to work -- eliminate the slash between the IP address and port number if you want to try the Diagnostic Tool. But it sounds quite likely that the regular web interface would be accessible too, so I'd try the above suggestion first just to make sure the IP address didn't change on you, no matter what your router software says.
You might also want to make sure your Mac is also on the same network. Do you have multiple VLANs, a guest network, or other special network setup that could cause the Mac to not see other devices on your network?
My hub is hardwired to the AT&T router. My Mac, iPhone, iPad are all on WiFi. I have two WIFI networks 5Ghz and 2.4Ghz. The iPhone and iPad are on 2.4Ghz and the Mac on 5Ghhz. I did not realize the difference, so I changed the Mac to the 2.4Ghz network just now. All of a sudden the Safari window successfully opened 192.168.1.95:8081. So, just tried the based 192.168.1.95 and it worked!! Maybe I once knew that every Mac/iPad/iPhone needed to be on the same WIFI network. Thanks for asking for the extra information, that triggered this experiment.
Normally your two different Wi-Fi bands should be on the same subnet / VLAN by default. Something is configured in such a way to segregate them.
Is the 2.4ghz band possibly setup as a guest network or a dedicated IoT network? Those will often be segregated from the rest of the LAN.
The 2.4Ghz band is not a guest network. I vaguely remember that when I set this up some years ago that the 2.4Ghz band has better distance coverage, so I put the hub on it because some of the WIFI lights are in distant parts of the house. I also thought that the 5Ghz band was better for my smart TVs which only stream, no antennas. I had some WIFI drop out in 2024 and working with AT&T they asked me if I wanted to "merge" the networks. I said no, but I will investigate how I could do that, thereby avoiding this problem. Thanks for asking.
Yes you are correct about how the two bands function. Many IoT devices don’t even support 5ghz.
You should not have to merge the SSIDs to have both bands be on the same network, that’s what I am saying. It’s a configuration problem. Not sure why they even set it up like that to begin with.
Thanks for the advice. I have more detail about this to learn and to bug AT&T about. If I get it figured out and everything works, I will figure out where to post the reconfiguration steps here somewhere for anyone else that is an AT&T fiber customer.
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