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Comment on I’m about to throw my entire Pihole out the window

MigratingtoLemmy@lemmy.world ⁨1⁩ ⁨year⁩ ago

If you can’t access your server and your router’s web interface, that’s a subnetting/DHCP allocation issue. Nothing to do with Pi-Hole.

For reference, there’s 2 ways to allocate static addresses to devices:

Define DHCP range, and configure the application to use a static address outside of the allocation pool.
Give out static addresses by MAC.

“Skill issue bro” s

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NaibofTabr@infosec.pub ⁨1⁩ ⁨year⁩ ago
A 30 day DHCP lease expiration would explain OP’s issue.

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- fuzzy_feeling@programming.dev ⁨1⁩ ⁨year⁩ ago
  I vote for 60 day lease time, iirc the clients try to get a new lease when half of the time is over, so they can keep the ip.
  
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  - NaibofTabr@infosec.pub ⁨1⁩ ⁨year⁩ ago
    Maybe, but I suspect it’s working like this:
    
    Pi boots then requests locally configured IP from DHCP server
    
    DHCP server grants 30 day lease for requested IP
    
    Pihole runs fine for awhile, DNS requests are properly handled
    
    IP lease expires, DHCP server returns IP to available address pool but doesn’t reassign it to anything yet
    
    time passes
    
    Random wireless device connects to router, DHCP server assigns IP to new device
    
    DNS requests to Pihole fail because the IP was assigned to the recently connected wireless device
    
    This would explain why Pihole appears to cause problems every month, sometimes a little longer.
    
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- MigratingtoLemmy@lemmy.world ⁨1⁩ ⁨year⁩ ago
  Basically, no static IPs at all. Lol
  
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PerogiBoi@lemmy.ca ⁨1⁩ ⁨year⁩ ago
Definitely a skill issue haha. I’m brand new to this stuff so I’m trying to learn as fast as possible. Appreciate the help and the explanations!

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- c0mbatbag3l@lemmy.world ⁨1⁩ ⁨year⁩ ago
  It’s alright, most computer geeks (even professional ones) can’t even figure out how IP addressing works. That’s why networking is its own sub group in enterprise environments.
  
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  - scott@lem.free.as ⁨1⁩ ⁨year⁩ ago
    If you’re a computer geek (even a professional one) and struggle with IP addressing, you won’t be having much of a career.
    
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    gingersneak@lemmy.world ⁨1⁩ ⁨year⁩ ago
    LMAO I know a whole bunch of people who don’t know a subnet mask from a hole in their ass and they’re doing just fine in their IT careers. You are overestimating the requirements for a great many corporate jobs.
    
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    griefreeze@lemmy.world ⁨1⁩ ⁨year⁩ ago
    Is this some kinda weird ass gatekeeping-esque computer geek thing? What you said is so wrong it’s not even funny.
    
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