CCNA Explorer 2 Introduction to Routing and Packet Forwarding

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Introduction to Routing and Packet Forwarding

Inside the Router

Routers are Computers

1800 Router Front
1800 Router Back

Router CPU and Memory

1800 Router Inside. PSU,HWIC,HWIC,Fan,Ram,NVRAM,AIM,CPU from left to right, top to bottom
1841 Router.

Internetwork Operating System

Der findes forskellige IOS'er der har forskellige freatures.

Cisco IOS packaging framework

http://www.cisco.com/en/US/prod/collateral/iosswrel/ps8802/ps10587/ps10591/ps10621/qa_c67_561940.html

Router Boot-up Process

Router Boot-up process
Show version

Router interfaces

Interfaces. RJ45, Cisco Smart Serial Connector

PPP, Frame Relay, and HDLC (High-Level Data Link Control)

Logical Representation

Routers and the Network Layer

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