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CCNA 2 Module 1 WANs and Routers
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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.
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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!
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Objectives
• WANs
• Routers
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Introduction to WANs
• A wide-area network (WAN) is a data communications network spanning a large geographic area such as a state, province, or country.
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WAN Devices
7 7 7
WAN Services
8 8 8
Data Link Encapsulations
9 9 9
Internal Configuration Components
10 10 10
Routers Connected by WAN Technologies
11 11 11
Network Layer Path Determination
12 12 12
Internetwork Routers
• Any internetwork must include the following:
Consistent end-to-end addressing
Addresses that represent network topologies
Best path selection
Dynamic routing
Switching
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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.
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Router Internal Components
15 15 15
Router Internal Components
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Internal Components of a 2600 Router
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External Connections on a 2600 Router
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Router External Connections
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Computer or Terminal Console Connection
20 20 20
Modem Connection to Console or Auxiliary Port
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Connecting Console Interfaces
1. Configure terminal emulation software on the PC for the following:
The appropriate com port
9600 baud
8 data bits
1 stop bit
No parity
No flow control
2. Connect a rollover cable to the router console port (RJ-45 connector).
3. Connect the other end of the rollover cable to the RJ-45 to DB-9 adapter
4. Attach the female DB-9 adapter to a PC.
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Connecting LAN Interfaces
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Router Serial WAN Connectors
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DCE Serial Connections
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