Cisco Press eBooks Page 22

Your first step into the world of IP telephony No IP telephony experience required Includes clear and easily understood explanations Makes learning easy Your first step to the world of IP telephony begins here! Learn how voice and data communications merge in voice-over-IP technology Use this reader-friendly guide to understand the benefits of this technology Explore real-life applications and theories through case studies in every chapter Welcome to the world of voice over IP We use either a telephone or e-mail for much of our day-to-day communication. Today, these two worlds are merging, and companies can place phone calls over their existing data network infrastructures using a technology called voice over IP (VoIP). No prior experience with...

Master advanced troubleshooting techniques for IPSec, MPLS Layer-3, MPLS Layer-2 (AToM), L2TPv3, L2TPv2, PPTP, and L2F VPNsLearn the step-by-step, end-to-end methodology essential for troubleshooting virtual private networks (VPNs)Gain the in-depth knowledge necessary for fast and efficient troubleshooting of IPSec, MPLS Layer-3, MPLS Layer-2 (AToM), L2TPv3, L2TPv2, PPTP, and L2F VPNsMaster advanced troubleshooting tools and techniques for all applicable VPN typesDebug and fix IPSec site-to-site and remote access VPN issues, such as IKE (ISAKMP) phase 1 and phase 2 negotiation failure, ESP and AH traffic drops, certificate enrollment failures, and maximum transmission unit (MTU) problemsLocate and resolve MPLS Layer-3 VPN problems, such as those invo...

The comprehensive, hands-on guide for resolving IP routing problems Understand and overcome common routing problems associated with BGP, IGRP, EIGRP, OSPF, IS-IS, multicasting, and RIP, such as route installation, route advertisement, route redistribution, route summarization, route flap, and neighbor relationships Solve complex IP routing problems through methodical, easy-to-follow flowcharts and step-by-step scenario instructions for troubleshooting Obtain essential troubleshooting skills from detailed case studies by experienced Cisco TAC team members Examine numerous protocol-specific debugging tricks that speed up problem resolution Gain valuable insight into the minds of CCIE engineers as you prepare for the challenging CCIE exams As the Intern...

A complete IP Telephony migration planning guide Includes Steps to Success Poster It's everyone's "must have." This is a reference book for the entire project team who works on the deployment of an IP Telephony solution. Take advantage of best practices. Includes more than 200 best practices, lessons learned, and tips for getting you through your IP Telephony deployment successfully. Minimize risk and learn from the mistakes of others. Read the list of the top 10 things that can go wrong during an IP Telephony deployment. Ask the right questions. Get the project team thinking and collaborating together with Stephanie's "Checklist of Questions to Ask the Project Team." Use proven planning tools. Work from sample checklists, templa...