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How do you organize your DHCP clients?
(lemmy.world)
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this post was submitted on 20 Aug 2023
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Can you tell what do the values after / denote? Like /8, /24.
I have seen them in many places. I even use /8 in my Wireguard config. But I do not know what it is. I do not even know its name to look it up online.
The term you are looking for is CIDR notation. The / is showing what the subnet mask is. So the subnet mask for a /8 is 255.0.0.0, which would be an extremely large network (over 16 million addresses, this was traditionally known as a Class A).
https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing#CIDR_notation
It's called CIDR notation, the number represents how many bits of the whole address represent the "network" part of the address. /8 is equivalent to a subnet mask of 255.0.0.0