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CCNA 4 v3.1 Module 4 ISDN and DDR

CCNA 4 v3.1 Module 4 ISDN and DDR. Purpose of This PowerPoint. This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.1. It was created to give instructors a PowerPoint to take and modify as their own. This PowerPoint is:

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CCNA 4 v3.1 Module 4 ISDN and DDR

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

  2. Purpose of This PowerPoint • This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.1. • 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

  5. Digital Communication with ISDN

  6. ISDN Benefits

  7. ISDN Standards

  8. ISDN Access Options

  9. ISDN 3-Layer Model

  10. ISDN Physical Layer (BRI)

  11. ISDN Data Link Layer

  12. Q.931 Messaging-Call Setup Example

  13. 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.

  14. ISDN Functions and Reference Points R: the connection between a non-ISDN Terminal Equipment(TE2) and a Terminal Adapter (TA), e.g. an RS-232 serial interface. S: references the points that connect into the customer switching device Network Termination type 2 (NT2) and enables calls between the various types of customer premises equipment. T: electrically identical to the S interface, it references the outbound connection from the NT2 to the ISDN network or Network Termination type 1 (NT1). U: the connection between the NT1 and the ISDN network owned by the telephone company.

  15. ISDN Functions and Reference Points

  16. BRI Reference Points

  17. Cisco ISDN BRI Interfaces

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

  19. ISDN Switch Types

  20. Configuring ISDN BRI

  21. Configuring ISDN BRI

  22. Configuring ISDN PRI

  23. ISDN PRI Examples

  24. Verifying ISDN Configuration

  25. Verifying ISDN Configuration

  26. Troubleshooting ISDN Configuration

  27. DDR Operation

  28. DDR Operation

  29. Configuring Legacy DDR

  30. Defining Static Routes for DDR

  31. Static Route Considerations • 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

  32. Specifying Interesting Traffic

  33. Configuring Dialer Information - PPP

  34. The dialer-group Command

  35. The dialer-map Command

  36. The dialer idle-timeout Command

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

  38. Dialer Profile Elements

  39. Configuring Dialer Interfaces

  40. Configuring Physical Interfaces

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

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

  43. Summary

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