Authored Comments

Excellent article. But am I missing something or does this sentence have one of those typos spell check doesn't catch?

"That network only contains two usable IP addresses, one,, for the router LAN side and one, for the host itself."

Wouldn't the host IP be

And while I understand why a /30 subnet has only 2 usable addresses, I'm sure I would learn a great deal from an article you wrote about CIDR.