Friday, March 23, 2018

Subnet Mask noob question

I've been learning about networks and I have always been curious about this. Let's say I have 100 computers that are going to connect to a network, but I also might have people come through my business and let them connect to the network.

Why can't I just put my subnet mask to something like a class A, and allow thousands, or tens of thousands of IP addresses to be assigned by the DHCP server so that hey even if a thousand people were to walk into the lobby of my business they could all get an IP address.

I guess another way to put it. Why do we want to constrain our pool of IP addresses so that we only give out what we need?



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