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Chapter 5 WANs and Routers/ Introduction to Routers

Chapter 5 WANs and Routers/ Introduction to Routers. Objectives. Introduction to WANs. A WAN is a data communications network that spans a large geographic area such as a state, province, or country. WAN Devices. WAN Services. Data Link Encapsulations. Internal Configuration Components.

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Chapter 5 WANs and Routers/ Introduction to Routers

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  1. Chapter 5WANs and Routers/ Introduction to Routers

  2. Objectives

  3. Introduction to WANs • A WAN is a data communications network that spans a large geographic area such as a state, province, or country.

  4. WAN Devices

  5. WAN Services

  6. Data Link Encapsulations

  7. Internal Configuration Components

  8. Routers Connected by WAN Technologies

  9. Path Determination

  10. Internetwork Routers • Any internetwork must include the following: • Consistent end-to-end addressing • Addresses that represent network topologies • Best path selection • Dynamic or static routing • Switching

  11. Academy Approach to Labs • In the academy lab, all the networks will be connected with serial or Ethernet cables and the students can see and physically touch all the equipment. • Devices that make up the WAN cloud are simulated by the connection between the back-to-back DTE-DCE cables.

  12. Router Internal Components

  13. Router Internal Components

  14. Internal Components of a 2600 Router

  15. External Connections on a 2600 Router

  16. Router External Connections

  17. Computer or Terminal Console Connection

  18. Modem Connection to Console or Auxiliary Port

  19. Console Port Connections • Configure terminal emulation software on the PC for the following: • The appropriate com port • 9600 baud • 8 data bits • No parity • 1 stop bit • No flow control • Connect a rollover cable to the router console port (RJ-45 connector). • Connect the other end of the rollover cable to the RJ-45 to DB-9 adapter • Attach the female DB-9 adapter to a PC.

  20. Eight-Pin Connections for Cisco 2600 Series Routers

  21. WAN Types

  22. Router Serial WAN Connectors

  23. DCE Serial Connections

  24. Summary

  25. Introduction to Routers

  26. Objectives

  27. The Purpose of Cisco IOS Software • Basic routing and switching functions • Reliable and secure access to networked resources • Network scalability

  28. Router User Interface

  29. Router User Interface Modes

  30. Cisco IOS Naming Conventions

  31. Operating Cisco IOS Software

  32. Steps in Router Initialization

  33. Setup Mode

  34. Router LED Indicators Cisco routers use LED indicators to provide status information. LED indicators will vary for different Cisco router models.

  35. The Initial Router Bootup

  36. Examining the Initial Bootup Output

  37. Examining the Initial Bootup Output continued

  38. Establish a Console Session • All Cisco routers include an EIA/TIA-232 asynchronous serial console port. The console port is an RJ-45. • Use an RJ-45 to RJ45 rollover cable with a female RJ-45 to DB-9 adapter to connect a PC to the console port

  39. Router Modes

  40. User Mode Commands

  41. Privileged Mode Commands

  42. clock set Command

  43. Using IOS Command history

  44. The User Interface Error Indicator

  45. The show version Command

  46. Summary

  47. Question/Answer

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