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Cisco CIT 642-831 - ISDN


This course provides an overview of ISDN, dial-on-demand routing, dialer and access lists, and q.921 and q.931 signaling. Troubleshooting commands for ISDN and CHAP are presented in detail.

This lesson is part of our Cisco CIT 642-831 online training series which contains over 18 hours of self-paced courseware. Our web-based training provides 6 months of unlimited access.


After completing this course you will be able to:

  • How to configure dial-on-demand routing
  • Identify frequent ISDN problems
  • Understand and know how to troubleshoot CHAP, dialer mappings, and PPP
  • Configure and troubleshoot dialer and access lists
  • Articulate Layer 1 through Layer 3 and the connection process
  • Describe q.921 and q.931 signaling
  • Use ISDN troubleshooting show and debug commands


  • ISDN Overview
  • Troubleshooting ISDN Configurations
  • Troubleshooting Connections at the Physical Layer
  • Terminology for Troubleshooting
  • Troubleshooting Provider Switches
  • Troubleshooting the Data Link Layer
  • Troubleshooting the Network Layer
  • ISDN Troubleshooting Commands

This course is for anyone who wants to get the most out of using Cisco CIT 642-831.

Prerequisites: None:

Technical Requirements:

  • Internet connection
  • Browser: Internet Explorer, FireFox, Chrome, Safari, Opera or any standards compliant browser.
  • Authorware and Macromedia Flash player recommended but not required.
  • JavaScript must be enabled.

Retake any or all of our computer training as often as you want. Our online tutorials allow you to learn anywhere, anytime from any computer with internet access. All courses allow for 6 months of unlimited access (1 user), includes a variety of features and all courses qualify for Continuing Education Unit credit.

StaffKit is an e-learning leader in providing computer training tutorials and online education. We have satisfied customers in over 75 countries using our online training courses. We have been a leading provider of self-paced web based training for the past 10 years.

Total Courses: 9
Total Time: 18+ hours
Only $99.95
Available in Package only
Total Courses: 853
Total Time: 1723+ hours
Only $249.95
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