| Overview
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.
Editorial ReviewsProduct DescriptionCisco 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 MajorRelease 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. | Amazon.com ReviewThree cheers for the Nutshell format! There may be no better printed style for command-line environments, like the Internetwork Operating System (IOS) that runs on Cisco Systems routers. Cisco IOS in a Nutshell documents the most important bits of the frequently arcane IOS command line from aaa accounting to write, thereby providing a valuable resource to everyone who works with IOS. The reference section--which makes up about 60 percent of this book--summarizes each command (again, they're not all covered, but the ones that aren't are pretty obscure) with a statement of its scope (global, interface, line, or whatever), followed by generalized syntax summaries in the style of Unix man pages (these indicate the legal combinations of switches and parameters). Then, a detailed discussion of each switch and parameter clarifies what each is for. The whole reference section is alphabetical, with lettered dark boxes on the pages' outer edges that are easy to scan while flipping pages rapidly. Prior to the reference section, the author explains how the IOS interface refers to and controls aspects of routers, such as lines and interfaces. He does a great job of it, too--you could do far worse than to read his explanations before going to work under IOS for the first time. The other great value of this early section is in the author's discussion of how to configure a new router by bringing interfaces, data-communication protocols (like TCP/IP), routing protocols (like Border Gateway Protocol, or BGP), and services like Domain Name Service (DNS) online. This book is a tremendous value for Cisco engineers. --David Wall Topics covered: How to configure a Cisco Systems router with the Internetwork Operating System (IOS). The most popular commands are documented, and there's a tutorial section that familiarizes readers with the Cisco way of thinking about a router's work. The author uses IOS 12.x as his baseline, though users of older versions will find his work valuable. |
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Reader Reviews From Amazon (Ranked by 'Helpfulness') Average Customer Rating: based on 19 reviews. Good reference, 2008-05-29 Reviewer rating: This is a good reference book, but don't count on it to teach you how to set up a Cisco device or any networking. Even though it is fairly current, I have found a few differences between it and IOS 12.4 T. | Another good in job reference book, 2008-02-28 Reviewer rating: this is another all in one book that i have, the other one is cisco ios cookbook. what i found that this book is very good after using it for some time, and also the writing style makes me easy to understand it very well.
i like the part where the author give comment on each line after a command to tell the reader what does that command do.
this book cover wide variety of things, and honestly i haven't read and tried all of the parts, but from what i have read and tried, this book gives very good detail in setting up tunnel and its security, it did help me understand how to set it up from scratch while i didn't know about it at all before.
in qos part, this is why i give this book 4/5, it just tell you briefly what each type of qos method does what it doesn't really give you an example of working configuration. i would like to see the author give an example from a real life configuration, suggestion to choose which type that we should use for particular case or even maybe combining few different type.
another suggestion is maybe to update the book with more information, and more commands that newer ios supports.
my recommendation is to get this book along with cisco ios cookbook, i am pretty sure it will cover the part where this book is missing and vise versa. you might also find this book is easier to read and understand than cookbook as well. | Must for Cisco Network Professionals, 2007-09-20 Reviewer rating: I bought this book for my Master's research paper on Cisco IOS.
I have found this book to be a good source on IOS's architecture. It has approximately 120 pages dedicated to general internetworking fundamentals such as differences betwen RIP, OSPF, and EIGRP.
The rest of the book is dedicated to IOS commands and proper syntax usages. This is a great reference book and good overview of networking concepts.
| Perfect for understanding the nuiances in Cisco IOS, 2007-09-19 Reviewer rating: This is a great book. It covers the basics of IOS and will give the intermediate and advance users more than they have bargained for. | Nutshell books are always good, 2007-03-25 Reviewer rating: What can I say. Nutshell books are great. I own dozens of them and they are almost always great refererence manuals. This one is pretty good too. |
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