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thanks lain (rule) (lemmy.blahaj.zone)

submitted 4 months ago by [email protected] to c/[email protected]

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[–] [email protected] 4 points 4 months ago (1 children)

but I have lots of students connecting SoHo wifi-routers to the subnets, and this way it’s pretty easy to tell, if someone put the WAN cable in a LAN port when people are getting 192.168.1.0/24 DHCP offers.

I use 172.31.254.0/23 on my WiFi router. I guess I'd confuse you. /23 to just separate it nicely into 2 /24 blocks.
172.31.254.0/24 range is for manual assignments and 172.31.255.0/24 range is given out by DHCP.
I do not need that many IPs, it's just for convenience.

I chose this range because of my school as it uses 192.168.0.0/16 range.
To help mitigate my possible mistakes when connecting to school network, I set the DHCP lease time to just 5 minutes.

[–] [email protected] 3 points 4 months ago* (last edited 4 months ago)

172.31.254.0/24 range is for manual assignments and 172.31.255.0/24 range is given out by DHCP. I do not need that many IPs, it’s just for convenience.

I do similar for my home network, mostly for a combination of future proofing and ease of use.

Realistically it would probably make more sense to segment it with more networks, but I'm only going to go so far with complexity for my home production