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TCL Scripting for Cisco IOS (Networking Technology)
Synopses & Reviews
A guide to building and modifying Tcl scripts to automate network administration tasks
Streamline Cisco network administration and save time with Tcl scripting
Cisco networking professionals are under relentless pressure to accomplish more, faster, and with fewer resources. The best way to meet this challenge is to automate mundane or repetitive tasks wherever possible. In this book, three Cisco experts show you how to use Tcl scripting for Cisco IOS devices to do just that.
You’ll learn easy techniques for creating, using, and modifying Tcl scripts that run directly on Cisco network devices from the Cisco IOS command line. The authors first teach basic Tcl commands and concepts for capturing and manipulating data and for querying or controlling Cisco equipment. Building on these core skills, they show you how to write scripts that automate and streamline many common IOS configuration, monitoring, and problem-solving tasks.
The authors walk through the entire script development process, including planning and flowcharting what you want to accomplish, formatting your code, adding comments, and troubleshooting script errors. They also present many downloadable sample scripts, along with practical guidance for adapting them to your own environment.
Whatever your role in managing, monitoring, or securing Cisco IOS networks and equipment, this book will help you get the job done more rapidly and efficiently.
Ray Blair, CCIE No. 7050, is a Cisco vertical solutions architect specializing in large network designs. He has more than 20 years of experience in designing, implementing, and maintaining networks, and maintains three CCIE certifications.
Arvind Durai, CCIE No. 7016, Advanced Services Technical Leader for Cisco, specializes in supporting major Cisco enterprise customers in finance, manufacturing, e-commerce, government, and healthcare. He holds CCIEs in Routing and Switching, and in Security.
John Lautmann, Cisco Software Engineer, has developed and enhanced network management software for twelve years, and holds six patents. He has helped develop new Cisco IOS features ranging from data link switching to IOS Tcl Interpeter and digitally signed Tcl scripts.
This book is part of the Networking Technology Series from Cisco Press®, which offers networking professionals valuable information for constructing efficient networks, understanding new technologies, and building successful careers.
Covers: Network Administration
$60.00 USA / $72.00 CAN
Book News Annotation:
This guide describes techniques for creating, using, and modifying Tcl scripts that run directly on Cisco network devices from the Cisco IOS command line. The book begins with coverage of basic Tcl commands and concepts for capturing and manipulating data and for querying or controlling Cisco equipment, then explains how to write scripts that automate and streamline common IOS tasks. Security is also addressed. A companion web site offers 25 sample Tcl scripts. The readership for the book includes individuals who manage, maintain, or operate a network that contains IOS devices. Readers should have a basic knowledge of programming. Blair is a Cisco vertical solutions architect specializing in large network design. Annotation ©2010 Book News, Inc., Portland, OR (booknews.com)
Network professionals are under relentless pressure to accomplish more, and do it faster, with fewer resources. The best way to meet this challenge is to automate mundane or repetitive tasks wherever possible. This book shows how to use the Tcl scripting language to do just that. Three Cisco experts demonstrate how to create simple Tcl scripts that automate and streamline a wide variety of tasks involving IOS router configuration, monitoring, and problem-solving: scripts that can potentially save network administrators many hours per week. You begin by mastering basic commands and concepts needed to write any Tcl script that captures and manipulates data. Once you've mastered these foundational Tcl skills, the authors demonstrate how to write Tcl scripts that query or control equipment in the Cisco IOS environment. Along the way, they present a wide range of downloadable sample scripts designed specifically for IOS, together with practical, detailed guidance for adapting these scripts to any Cisco network environment.
About the Author
Ray Blair, CCIE No. 7050, is a Vertical Solutions Architect and has been with Cisco Systems for more than 10 years, working primarily with large network designs. He has almost 22 years of experience with designing, implementing, and maintaining networks that have included nearly all networking technologies. During the early stages of his career, he wrote many applications using Assembly language and C. Mr. Blair maintains three CCIE certifications in Routing and Switching, Security, and Service Provider. He is also a Certified Information Systems Security Professional (CISSP) and coauthor of the Cisco Secure Firewall Services Module book.
Arvind Durai , CCIE No. 7016, is an Advanced Services Technical Leader for Cisco Systems. His primary responsibility in the past 10 years has been in supporting major Cisco customers in the enterprise sector, including financial, manufacturing, e-commerce, state government, utility (smart grid networks) and health-care sectors. Some of his focuses have been on security, multicast, network virtualization, and he has authored several white papers and design guides in various technologies. He has leveraged Embedded Event Manager (EEM) and Tool Command Language (Tcl) scripts in various customer designs. Mr. Durai maintains two CCIE certifications: Routing and Switching, and Security. He holds a Bachelor of Science degree in electronics and communication, a master’s degree in electrical engineering (MS), and master’s degree in business administration (MBA), and is a coauthor of Cisco Secure Firewall Services Module.
John Lautmannis a Software Engineer for Cisco Systems. He has developed and enhanced network management software for nearly 14 years. Before joining Cisco, he held positions in customer support and software testing. With six networking patents, John has been involved in the development of new Cisco IOS features such as data-link switching, syslog, configuration rollback and archiving, IOS Tcl interpreter, digitally signed Tcl scripts, and Multiprotocol Label Switching (MPLS) ping and trace. Mr. Lautmann holds a Bachelor of Science degree in computer science and master’s degrees in both business and engineering.
Table of Contents
1. Introduction to TcL
2. TcL interpreter & language basics
3. TCL functioning in IOS
4. Advanced TcL operation in IOS
5. Using TcL scripts to troubleshoot network problems
6. Detecting and automatically configuring network devices
7. EEM scripts
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