I've subnetted quite a bit, taught IP and subnetting, been working with IP networks for years, but I've always wondered about something. With networks, you can not use the all zero's host and the all ones host. All ones is the broadcast address, all zero's is the network address. But why can't you use the network address for a host? The address is not used, and every other all ones or all zero's rule has gone out the window pretty much. Can anyone tell me why? What is the network address used for?
Any help will be apprecited.
I didn't find the right solution from the Internet.
https://arstechnica.com/civis/viewtopic ... 0&t=832594
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