Copyright 2003 www.ciscopress.com CCNA 2 Chapter 10 WANs and Routers By Your Name. - презентация

1 Copyright CCNA 2 Chapter 10 WANs and Routers By Your Name

2 Copyright Objectives WANs Routers

3 Copyright 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.

4 Copyright WAN Devices

5 Copyright WAN Standards: Protocols

6 Copyright WAN Standards: Layer 1

7 Copyright WAN Technologies

8 Copyright Segmentation with Routers

9 Copyright Network Layer Path Determination

10 Copyright 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.

11 Copyright Routers

12 Copyright Internal Configuration Components

13 Copyright Physical Characteristics

14 Copyright External Connections

15 Copyright 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.

16 Copyright Connecting LAN Interfaces

17 Copyright Connecting WAN Interfaces

18 Copyright Internetwork Routers Any internetwork must include the following: –Consistent end-to-end addressing –Addresses that represent network topologies –Best path selection –Dynamic routing –Switching