TCP IP Network Administration

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TCP IP Network Administration

Introduction

TCP IP Network Administration


     TCP/IP is still the preeminent communications protocol for linking together diverse computer systems. It remains the basis of interoperable data communications and global computer networking. The underlying Internet Protocol (IP), Transmission Control Protocol, and User Datagram Protocol (UDP) are remarkably unchanged. But change has come in the way TCP/IP is used and how it is managed.

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    TCP/IP Network Administration was the first book of practical information for the professional TCP/IP network administrator, and it is still the best. Since the first edition was published there has been an explosion of books about TCP/IP and the Internet. Still, too few books concentrate on what a system administrator really needs to know about TCP/IP administration. Most books are either scholarly texts written from the point of view of the protocol designer, or instructions on how to use TCP/IP applications. All of those books lack the practical, detailed network information needed by the Unix system administrator. This book strives to focus on TCP/IP and Unix and to find the right balance of theory and practice.

Cisco Networks: Engineers' Handbook of Routing, Switching

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Table of Contents

1. Overview of TCP/IP

TCP/IP and the Internet 2

A Data Communications Model 6

TCP/IP Protocol Architecture 9

Network Access Layer 11

Internet Layer 12

Transport Layer 18

Application Layer 22

Summary 23

2. Delivering the Data

Addressing, Routing, and Multiplexing 24

The IP Address 25

Internet Routing Architecture 35

The Routing Table 37

Address Resolution 43

Protocols, Ports, and Sockets 44

Summary 50

3. Network Services 

Names and Addresses 51

The Host Table 52

DNS 54

Mail Services 62

File and Print Servers 75

Configuration Servers 76

Summary

4. Getting Started

Connected and Non-Connected Networks 85

Basic Information 86

Planning Routing 97

Planning Naming Service 101

Other Services 104

Informing the Users 106

Summary 107

5. Basic Configuration

Kernel Configuration 108

Startup Files 124

The Internet Daemon 129

The Extended Internet Daemon 132

Summary 133

6. Configuring the Interface 

The ifconfig Command 134

TCP/IP Over a Serial Line 150

Installing PPP 153

Summary

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