October 1998
Beginner
512 pages
14h 22m
English
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Basic Information
Regardless of whether or not you decide to connect your network to the Internet, one thing is certain: you should build your enterprise network using the TCP/IP protocols. To do so, you must provide certain basic information to configure the physical TCP/IP network interface. The network interface needs an IP address and may also need a subnet mask. In this section we look at how the network administrator arrives at each of the required values.
Obtaining an IP Address
Every interface on a TCP/IP network must have a unique IP address. If a host is part of the Internet, its IP address must be unique within the entire Internet. If a host’s TCP/IP communications are limited to a local network, its IP address only needs to be unique locally. Administrators whose networks will not be connected to the Internet select an address from RFC 1918, Address Allocation for Private Internets, which lists network numbers that are reserved for private use.[22]
The private network numbers are:
Class A network 10.0.0.0 (10/8 prefix and a 24-bit block of addresses).
Class B networks 172.16.0.0 to 172.31.0.0 (172.16/12 prefix and a 20-bit block of addresses).
Class C networks 192.168.0.0 to 192.168.255.0 (192.168/16 prefix and a 16-bit block of addresses).
Networks connecting to the Internet must obtain official network addresses. An official address is needed for every system on your network that directly exchanges data with remote Internet hosts.[23]
Obtain the address from your ISP. Your ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.