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timmmay

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#277286 6-Oct-2020 08:36
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I'm having trouble getting my Pixel 4a to pick up a static DHCP reservation from the pi hole. It works fine for every other device on the network - Moto G8, random home automation devices, etc. Helps make it easier to view statistics - not really that important but curious why it's not working.

 

I've turned off MAC randomisation for my home network, so the MAC is always the same. The DHCP lease is 24 hours, but I made the change about three days ago. I have confirmed that my DNS and DHCP are both coming from the Pi Hole using the "IPConfig" app on my phone.

 

Any ideas? I've checked Pi Hole is at latest version.

 

Here's the pi hole UI - irrelevant parts removed sorry. I also deleted the last four digits of the device MAC, but I can confirm they're exactly the same (tested with copy / find)

 


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jamesrt
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  #2579879 6-Oct-2020 09:31
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The only thing that immediately comes to mind is that the Pixel is renewing it's existing lease/IP, rather than requesting a new one for some reason.

 

I assume you've toggled WiFi off and on since making the change; and/or rebooted the pixel; and/or left the house (i.e. gone out of WiFi range) ?




timmmay

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  #2579882 6-Oct-2020 09:44
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Yeah I've done all that multiple times thanks. It's an odd one.


littlehead
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  #2579890 6-Oct-2020 10:06
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Apparently you need to restart the pihole-FTL service for it to issue the new static IP address, see here. There are other reports of this as an issue around as well. I'm guessing this would be due to how Pi-Hole calculates a non-static IP for a given MAC address and wants to issue that one all the time. Once created it won't flick to a static assigned IP until the service is restarted and it looks at the static IP allocation table again.

 

 

 

 




timmmay

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  #2579897 6-Oct-2020 10:25
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Solved! Thanks @littlehead, I'm gona knickname you big head for today :) Weird bug.


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