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When Pi-hole is down? (lemmy.world)

submitted 9 months ago by [email protected] to c/[email protected]

83 comments fedilink hide all child comments

I have an asus router with a pi-hole on the network.

I was doing some work on my server and noticed that when pi-hole was down, I couldn't access the internet. I was looking for some ideas online how to deal with this, but they said to have a second pihole on the network in case one is offline. Is that the only way to do it? Is there any way to have the network go back to normal if the pihole is offline?

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[–] WindowsEnjoyer 7 points 9 months ago* (last edited 9 months ago) (7 children)

On Mikrotik I have a script that runs every 30sec. If pi-hole not responding, router switches to public cloudflare dns records, otherwise to pi-hole IP.

This setup works like a charm.

P.S. I am using Blocky, but it's almost the same as Pi-Hole.

EDIT: Since at least 2 guys asked how to do it:

https://forum.mikrotik.com/viewtopic.php?p=866934#p866934

Don't forget to configure Mikrotik router to act as passthrough DNS server with cache (for performance) and configure DHCP server's DNS to router's IP.

[–] [email protected] 1 points 9 months ago (2 children)

Seconding the request to share your work.

That is an amazing idea you've come up with that I never considered, but now I need it.

[–] WindowsEnjoyer 1 points 9 months ago

I've edited my comment. It contains my used script.

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