Cisco IOS in a Nutshell, 2/e

James Boney

  • 出版商: O'Reilly
  • 出版日期: 2005-09-27
  • 售價: $1,550
  • 貴賓價: 9.5$1,473
  • 語言: 英文
  • 頁數: 798
  • 裝訂: Paperback
  • ISBN: 0596008694
  • ISBN-13: 9780596008697
  • 相關分類: CiscoApple Developer
  • 已過版

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Description:

Cisco routers are everywhere that networks are. They come in all sizes, from inexpensive units for homes and small offices to equipment costing well over $100,000 and capable of routing at gigabit speeds. A fixture in today's networks, Cisco claims roughly 70% of the router market, producing high-end switches, hubs, and other network hardware. One unifying thread runs through the product line: virtually all of Cisco's products run the Internetwork Operating System, or IOS.

If you work with Cisco routers, it's likely that you deal with Cisco's IOS software--an extremely powerful and complex operating system, with an equally complex configuration language. With a cryptic command-line interface and thousands of commands--some of which mean different things in different situations--it doesn't have a reputation for being user-friendly.

Fortunately, there's help. This second edition of Cisco IOS in a Nutshell consolidates the most important commands and features of IOS into a single, well-organized volume that you'll find refreshingly user-friendly.

This handy, two-part reference covers IOS configuration for the TCP/IP protocol family. The first section includes chapters on the user interface, configuring lines and interfaces, access lists, routing protocols, and dial-on-demand routing and security. A brief, example-filled tutorial shows you how to accomplish common tasks.

The second part is a classic O'Reilly quick reference to all the commands for working with TCP/IP and the lower-level protocols on which it relies. Brief descriptions and lists of options help you zero in on the commands you for the task at hand. Updated to cover Cisco IOS Software Major Release 12.3, this second edition includes lots of examples of the most common configuration steps for the routers themselves. It's a timely guide that any network administrator will come to rely on.

 

Table of Contents:

Preface

1. Getting Started

     IOS User Modes

     Command-Line Completion

     Get to Know the Question Mark

     Command-Line Editing Keys

     Pausing Output

     show Commands

2. IOS Images and Configuration Files

     IOS Image Filenames

     The New Cisco IOS Packaging Model

     Loading Image Files Through the Network

     Using the IOS Filesystem for Images

     The Router's Configuration

     Loading Configuration Files

3. Basic Router Configuration

     Setting the Router Name

     Setting the System Prompt

     Configuration Comments

     The Enable Password

     Mapping Hostnames to IP Addresses

     Setting the Router's Time

     Enabling SNMP

     Cisco Discovery Protocol

     System Banners

4. Line Commands

     The line Command

     The Console Port

     Virtual Terminals (VTYs)

     Asynchronous Ports (TTYs)

     The Auxiliary (AUX) Port

     show line

     Reverse Telnet

     Common Configuration Items

5. Interface Commands

     Naming and Numbering Interfaces

     Basic Interface Configuration Commands

     The Loopback Interface

     The Null Interface

     Ethernet, Fast Ethernet, and Gigabit Ethernet Interfaces

     Token Ring Interfaces

     ISDN Interfaces

     Serial Interfaces

     Asynchronous Interfaces

     Interface show Commands

6. Networking Technologies

     Frame Relay

     ATM

     DSL

     Cable

     VoIP

7. Access Lists

     How Packets Match a List Entry

     Types of Access Lists

     Specific Topics

8. IP Routing Topics

     Autonomous System (AS) Numbers

     Interior and Exterior Gateway Protocols

     Distance-Vector and Link-State Routing Protocols

     Static Routes

     Split Horizon

     Passive Interfaces

     Fast Switching and Process Switching

9. Interior Routing Protocols

     RIP

     IGRP

     EIGRP

     OSPF

     IS-IS

10. Border Gateway Protocol

     Introduction to BGP

     A Simple BGP Configuration

     Route Filtering

     An Advanced BGP Configuration

     Neighbor Authentication

     Peer Groups

     Route Reflectors

     BGP Confederacies

     BGP TTL Security

11. Quality of Service

     Marking

     Older Queuing Methods

     Modern IOS QoS Tools

     Congestion Avoidance

     Traffic Policing

     Traffic Shaping

     AutoQoS

     QoS Device Manager

12. Dial-on-Demand Routing

     Configuring a Simple DDR Connection

     Sample Legacy DDR Configurations

     Dialer Interfaces (Dialer Profiles)

     Multilink PPP

     Snapshot DDR

13. Specialized Networking Topics

     Bridging

     Hot Standby Routing Protocol (HSRP)

     Network Address Translation (NAT)

     Tunnels

     Encrypted Tunnels

     Multicast Routing

     Multiprotocol Label Switching (MPLS)

14. Switches and VLANs

     Switch Terminology

     IOS on Switches

     Basic Switch Configuration

     Trunking

     Switch Monitor Port for IDS or Sniffers

     Troubleshooting Switches

15. Router Security

     Securing Enable Mode Access

     Routine Security Measures

     Restricting Access to Your Router

16. Troubleshooting and Logging

     ping

     trace

     Debugging

     Logging

17. Quick Reference

Appendix.

Index