No response from hub

Had this problem for over a year and gave up, but coming back to try and fix it. Anyway, I have been getting an error on the hubitat app "No response from hub". It works fine when accessed on the pc, just not app. I also had problems with smart tiles, or Amazon echo, or other hubitat apps saying error with unauthorized access. I have my cable modem,that is then connected to my Wireless router. Everything hardwired comes out of router including to hubitat. Figuring a network issue???

By the way, the hub seems to work fine when I restart it for about a week then reverts back to error

So have you reserved an IP address in your router for your Hubitat hub? Keeping the hub’s IP address from changing is a known best practice.

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With those AND the hub issue, I suspect something in your home networking. The fixed address like ogiewon notes above is one of the first things to check and/or set. Sometimes it is called "Address Reservation" in the hub.

After that, is there anything in the router like flood control, or some filtering (spam/virus/ads) software that could possibly be restricting app access after about a week of use?

And what would happen if you rebooted your router instead of the Hubitat after it looses access? Does that fix things?

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I thought i did that, but maybe i did it wrong. I will try looking up setting a reserved IP address and try that,

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I think the 'about a week' is the clue here - sounds like a DHCP change at the router side. Check with your iSP or review your router/modem settings and see if you're in need of something you can refer to such as DynDNS or similar. Review your Router settings and document, then review after your first failure and see if they've changed.

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Just out of curiosity, what brand and model is your router?

Well it keeps doing it. I Have a netgear Nighthawk R7960P

Netgear has been noted to cause issues. I think it was mostly centered around the 3rd item below, but I can't remember all details except for seeing discussion about Netgear being problematic at times.

  • Did you set a reserved IP on the router?
  • Did the issue go away if you reboot the router vs rebooting Hubitat?
  • Did you try to change the auto-negotiation (Ethernet Speed) settings in Hubitat? (Settings tab, Networking) What is it set to now? (Auto-Negotiated, or Fixed 100)

I set a reserved IP, and i notice the issue goes away when i reboot the Hubitat hub up. I will try the third option

It is set to "Fixed 100mbps"

You might try the other setting.

And try rebooting ONLY the router not Hubitat and see if things work again. You have mentioned a couple times that rebooting Hubitat fixes this, but I haven't seen you confirm you tried the router reboot alone.

Nothing changes when router is rebooted. Only when hub is

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