The Lowdown on TCP/IP
Many users new to TCP/IP networking want a simple answer to the question, “How do I set up my Mac for IP networking?” Unfortunately, no simple answer works for everyone. How you configure TCP/IP depends on the type of network you have, how it is set up, and how you are connected to the Internet. Hopefully, by the time you finish this section, you'll be able to figure out what applies to your situation.
Your TCP/IP setup is based on the IP address, an identifying number that each computer has. You can either designate the IP (Internet Protocol) address yourself or set your Mac to get an address from one of several other sources. Depending on which you choose, you may have to specify several other related items.
Every Mac ...
Get Macintosh Bible, 8th Edition, The now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.