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CCNA 4 v3.0 Module 4 ISDN and DDR

CCNA 4 v3.0 Module 4 ISDN and DDR. Purpose of This PowerPoint. This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.0. It was created to give instructors a PowerPoint to take and modify as their own. This PowerPoint is:

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CCNA 4 v3.0 Module 4 ISDN and DDR

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  1. CCNA 4 v3.0 Module 4ISDN and DDR

  2. Purpose of This PowerPoint • This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.0. • It was created to give instructors a PowerPoint to take and modify as their own. • This PowerPoint is: • NOT a study guide for the module final assessment. • NOT a study guide for the CCNA certification exam. • Please report any mistakes you find in this PowerPoint by using the Academy Connection Help link.

  3. To Locate Instructional Resource Materials on Academy Connection: • Go to the Community FTP Center to locate materials created by the instructor community • Go to the Tools section • Go to the Alpha Preview section • Go to the Community link under Resources • See the resources available on the Class home page for classes you are offering • Search http://www.cisco.com • Contact your parent academy!

  4. Objectives • ISDN concepts • ISDN configuration • DDR configuration

  5. Digital Communication with ISDN

  6. ISDN Benefits

  7. ISDN Standards

  8. ISDN Access Options

  9. ISDN 3-Layer Model

  10. Q.931 Messaging-Call Setup Example

  11. Call Processing • The D channel is used to send the called number to the local ISDN switch. • The local switch uses the SS7 signaling protocol to set up a path and pass the called number to the remote ISDN switch. • The remote ISDN switch signals the destination over the D channel. • The destination ISDN NT-1 device sends the remote ISDN switch a call-connect message. • The remote ISDN switch uses SS7 to send a call-connect message to the local switch. • The local ISDN switch connects one B channel end-to-end, leaving the other B channel available for a new conversation or data transfer. Both B channels can be used simultaneously.

  12. ISDN Functions and Reference Points

  13. ISDN Functions and Reference Points

  14. BRI Reference Points

  15. Cisco ISDN BRI Interfaces

  16. S/T ISDN Interface U ISDN Interface ISDN Interfaces

  17. ISDN Switch Types

  18. Configuring ISDN BRI

  19. Configuring ISDN BRI

  20. Configuring ISDN PRI

  21. Switch Types Available for ISDN PRI Configuration

  22. ISDN PRI Examples

  23. Verifying ISDN Configuration

  24. Troubleshooting ISDN Configuration

  25. DDR Operation

  26. DDR Operation

  27. Configuring Legacy DDR

  28. Defining Static Routes • When configuring static routes, consider the following: • By default, a static route will take precedence over a dynamic route because of its lower administrative distance. Without additional configuration, a dynamic route to a network will be ignored if a static route is present in the routing table for the same network. • To reduce the number of static route entries, define a summarized or default static route

  29. Specifying Interesting Traffic

  30. Configuring Dialer Information - PPP

  31. The dialer-group Command

  32. The dialer-map Command

  33. The dialer idle-timeout Command

  34. Dialer Profiles Overview • Define encapsulation and access control lists • Determine minimum or maximum calls • Turn features on or off

  35. Dialer Profile Elements

  36. Configuring Dialer Interfaces

  37. Verifying DDR • show dialer • show dialer interface [BRI] • show isdn active • show isdn status

  38. Troubleshooting DDR • debug isdn q921 • debug isdn q931 • debug dialer [events|packets] • isdn call interface • clear interface bri

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