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Written by ALostInquirer@lemm.ee on 2024-09-22 at 17:50

Does setting/reserving a static IP via router prevent its allocation to other devices in its network?

https://lemm.ee/post/42971271

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Written by deadbeef79000@lemmy.nz on 2024-09-22 at 20:44

TL;DR: it depends entirely on the DHCP server software.

Generally the safe/reliable policy is to assign a smaller DHCP range (or ranges) and allocate static assignments outside of the DHCP range(s).

Assume your network is 192.168.1.0/24.

Specify 192.168.1.128/25 for DHCP, which means all DHCP addresses will be above 192.168.1.128.

This leaves you everything below 192.168.1.127 for static assignments.

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Toot

Written by BrianTheeBiscuiteer@lemmy.world on 2024-09-22 at 21:49

I’d agree with this recommendation. I believe there were multiple occasions where my router assigned a dynamic IP the same as some other reserved IP. Hard as hell to diagnose. Key indicator was that roughly half the packets were being lost.

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