1 © 2003, Cisco Systems, Inc. All rights reserved. CCNA 2 v3.0 Module 1 WANs and Routers.
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Transcript of 1 © 2003, Cisco Systems, Inc. All rights reserved. CCNA 2 v3.0 Module 1 WANs and Routers.
1© 2003, Cisco Systems, Inc. All rights reserved.
CCNA 2 v3.0 Module 1 WANs and Routers
222© 2003, Cisco Systems, Inc. All rights reserved.
Objectives
• WANs
• Routers
333© 2003, Cisco Systems, Inc. All rights reserved.
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.
444© 2003, Cisco Systems, Inc. All rights reserved.
WAN Devices
555© 2003, Cisco Systems, Inc. All rights reserved.
WAN Services
666© 2003, Cisco Systems, Inc. All rights reserved.
Data Link Encapsulations
777© 2003, Cisco Systems, Inc. All rights reserved.
Internal Configuration Components
888© 2003, Cisco Systems, Inc. All rights reserved.
Routers Connected by WAN Technologies
999© 2003, Cisco Systems, Inc. All rights reserved.
Network Layer Path Determination
101010© 2003, Cisco Systems, Inc. All rights reserved.
Internetwork Routers
• Any internetwork must include the following:
Consistent end-to-end addressing
Addresses that represent network topologies
Best path selection
Dynamic routing
Switching
111111© 2003, Cisco Systems, Inc. All rights reserved.
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.
121212© 2003, Cisco Systems, Inc. All rights reserved.
Router Internal Components
131313© 2003, Cisco Systems, Inc. All rights reserved.
Router Internal Components
141414© 2003, Cisco Systems, Inc. All rights reserved.
Internal Components of a 2600 Router
151515© 2003, Cisco Systems, Inc. All rights reserved.
External Connections on a 2600 Router
161616© 2003, Cisco Systems, Inc. All rights reserved.
Router External Connections
171717© 2003, Cisco Systems, Inc. All rights reserved.
Computer or Terminal Console Connection
181818© 2003, Cisco Systems, Inc. All rights reserved.
Modem Connection to Console or Auxiliary Port
191919© 2003, Cisco Systems, Inc. All rights reserved.
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.
202020© 2003, Cisco Systems, Inc. All rights reserved.
Connecting LAN Interfaces
212121© 2003, Cisco Systems, Inc. All rights reserved.
Router Serial WAN Connectors
222222© 2003, Cisco Systems, Inc. All rights reserved.
DCE Serial Connections