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Contents

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1 Basic Concepts,Network Operation,and Cabling

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Internetworking Overview

Core

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Objective 1.

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Access

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Distribution

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Objective 9.

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OSI Structure and Definitions

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Application

The Seven OSI Layers

Presentation

Session

Transport

Network

Data Link

Physical

Ethernet and Other Media Types

Full/Half Duplex

10/100/1000 Mbps

Network Devices and Relation Within the Networking Model

Connecting to the Cisco Device

Cabling the LAN and WAN

Cabling the LAN

Cabling the WAN

CHECKPOINT

Review Questions

Review Answers

2 Introduction to the Cisco Internetwork Operating System

Introduction to the Cisco Command Line Interface

CLI Modes

The Boot Process of the Cisco Router/Switch

How the Router/Switch Boots by Default

Booting When There Is No Saved Configuration

Changing the Configuration Register to Modify Boot Behavior

Register Values Displayed in Hex

Components Used During Boot

Configuring Boot System Commands

Configuration Using the CLI

Global Configuration Mode

Interface Configuration Mode

Abbreviating Commands

Symbols in the IOS

Line Configuration Mode

Setting Passwords

Initiating,Suspending,and Ending Telnet Sessions

Using ping and traceroute to Check for Connectivity

Backup and Restoration of the IOS and Configurations

Saving,Backing Up,and Restoring Configuration Files

CHECKPOINT

Review Questions

Review Answers

3 Managing and Updating Cisco Devices

Introduction to Cisco Discovery Protocol

CDP Frame Format

CDP Operation

Using CDP to Build a Topology Map

Displaying Specific CDP Entries

Updating the IOS and Modifying the Configuration Register

Error During Upgrade

Booting from Another Device

Changing Configuration Register

Using ROM Monitor to Change the Register

Using the config-register Command to Change the Register

Backup Strategies

CHECKPOINT

Review Questions

Review Answers

4 Catalyst 1900 Switch Operations

Three Functions of a Transparent Bridge

Learning

Forwarding and Filtering

Avoiding Loops

Spanning Tree Protocol

The Root Bridge

Which Ports to Block

Step 1:Determine the Root Bridge

Step 2:Determine the Designated Bridges

Step 3:Determine the Root Ports

Step 4:Determine Which Ports Will Be Forwarding

Step 5:Determine Which Ports Will Be Blocking

Spanning Tree Port States

The Difference Between a Switch and a Bridge

Cut-Through

Store-and-Forward

Frame Forwarding Methods of the Catalyst 1900 Switch

Understanding Cisco IOS Device Operation

Fragment-Free

The Cisco Catalyst 1900 Series of Switches

Different Methods of Configuring a Cisco 1900 Switch

The Catalyst 1900 LEDs

Starting a Catalyst 1900

Connecting to and Configuring the Catalyst 1900

Using the Command Line Interface and Configuration Modes

Viewing Switch Parameters

Configuring the Switch from the Command Line

CHECKPOINT

Review Questions

Review Answers

5 Virtual LoCal Area Networks(VLANs)

Virtual Local Area Networks(VLANs)

Static VLANs

Dynamic VLANs

TrunKing

Cisco's Inter-Switch Link(ISL)

VLAN Trunking Protocol(VTP)

VTP Modes

VTP Pruning

Creating and Configuring VLANs on a Catalyst 1900

Creating the VTP Domain

Creating VLANs

Assigning Ports to a VLAN

Configuring Trunking

Viewing Spanning Tree Protocol Parameters and Settings

Review Questions

CHECKPOINT

Review Answers

6 Overview of the TCP/IP Protocol Stack

Introduction to the Protocol Stack

The DARPA Model

The Application Layer

The DARPA Transport Layer

Transmission Control Protocol(TCP)

The Sequence and Acknowledgment Fields

Port Numbers

The Three-Way Handshake

TCP Windowing

The User Datagram Protocol(UDP)

The IP Datagram

The DARPA Internet Layer

The Internet Protocol(IP)

The Address Resolution Protocol(ARP)

Internet Control Message Protocol(ICMP)

Reverse Address Resolution Protocol(RARP)

The IP Address

IP Addressing

IP Address Classification

The Three Fields of IP Addresses

The Subnet Mask

Subnetting

Complex Subnet Masking

Recognizing IP Addresses and Subnets

The Local Broadcast

Broadcasts

The Directed Broadcast

Assigning IP Addresses to Router Interfaces

Configuring Cisco Devices to Use IP

The/Notation

Connecting a Cisco Router to a Catalyst Switch

Configuring the Router for Inter-VLAN Routing

Configuring Hostnames on a Cisco IOS Device

Using Hostnames with a Cisco IOS Device

Working with DNS Servers

The ip domain-lookup Command

Viewing the Hostname to IP Address Translations

CHECKPOINT

Review Questions

Review Answers

7 Basic IP Routing Protocols

Configuring Static Routes

Static Routes

The Default Route

Dynamic Routes

Link State and Distance Vector

Routing Metrics

Autonomous System

Administrative Distance

The Distance Vector Algorithm

Distance Vector and Link State Routing

Routing Loops

Solutions for Routing Loops

Defining a Maximum Metric

Holddown Timers

Split Horizon

Triggered Updates

Route Poisoning

Link State Routing Protocols

Configuring RIP

Routing Information Protocol(RIP)

The show ip route Command

Verifying RIP

The show ip protocols Command

When a Network Goes Down

RIP Load Balancing

The debug iP rip Command

Interior Gateway Routing Protocol(IGRP)

The Composite Metric

Configuring IGRP

Verifying IGRP

Debug IP IGRP Events and Transactions

Load Balancing with IGRP

IP Classless

CHECKPOINT

Review Questions

Review Answers

8 IP Access Lists

Rules of the Road

Access List Introduction and Operation

Uses for Access Lists

Access List Structure and Operation

Access List Processing

How Access Lists Work

Standard IP Access Lists

Creating a Standard IP Access List

Applying the Standard IP Access List to a Router Interface

Verifying the Operation of a Standard IP Access List

Create an Access List to Block Traffic from a Single Host Address

Creating an Extended IP Access List that Blocks Web Access from a Specific Subnet

Creating an Extended IP Access List

Extended IP Access Lists

Applying the Extended IP Access List to a Router Interface

Verifying the Operation of an Extended IP Access List

Telnet Access from a Single Host Address

Creating an Extended IP Access List that Blocks

Named IP Access Lists

Creating a Named IP Access List

The access-class Command and Router VTY Access

Creating and Applying the access-class Command

CHECKPOINT

Review Questions

Review Answers

9 Configuring Cisco IOS Devices for IPX

Novell's Network Operating System

Client/Server Operations

Novell's IPX

Packet Encapsulation

Ethernet Version 2 Frames

Ethernet RAW or Novell-Ether

The IEEE 802.3/802.2 Header

Ethernet SNAP

Other Media Types

Connecting to the Server

What If There Is No Local Server?

Connecting to Resources

Sequenced Packet Exchange

Service Advertising Protocol

NetWare Core Protocol

IPX RIP

Novell's IPX and Cisco IOS Devices

Configuring the Router for IPX Routing

IPX Documentation

Configuring IPX and IPX RIP

Configuring the Router Interfaces

Example Configuration

Verifying IPX Addresses

Verifying IPX Routing

Restricting IPX Traffic with Access Lists

Testing Connectivity

Standard IPX Access Lists

Extended IPX Access Lists

IPX SAP Filters

An Example SAP Filter

Review Questions

CHECKPOINT

Review Answers

10 Serial Point-to-Point Connections

How WANs Are Different from LANs

Overview of WAN Connectivity

HDLC and Synchronous Serial Connections

Dialup Using Point-to-Point Protocol

LCP and NCP

CHAP Authentication

PAP Authentication

PPP Negotiation

Configuring Serial Connections Using HDLC and PPP

Configuring HDLC

Configuring PPP

CHECKPOINT

Review Questions

Review Answers

11 ISDN BRI Connections

The Importance of ISDN

ISDN Channels

Terminology,Reference Points,and Cabling

Reference Points and Devices Defined

S/T and U Interfaces

Cabling ISDN

ITU ISDN D Channel Protocols

ISDN B Channel Protocols

Configuring ISDN

Core Configuration Commands

Dial-on-Demand Routing

CHECKPOINT

Review Questions

Review Answers

12 Frame Relay Connections

Introduction and Frame Relay Terminology

Multiaccess

Congestion Avoidance

Frame Relay Address Mapping

Data Link Addressing

Manual Mapping vs.Dynamic

Frame Relay States

Non-Broadcast Multiaccess Networks

Dealing with Split Horizon

Point-to-Point Subinterfaces Prevent Split Horizon

Configuring Point-to-Point Subinterfaces

Multiaccess Networks

Configuring Multipoint Frame Relay Connections

Verifying Frame Relay Connections

The show interface serial Command

The show frame-relay pvc Command

The show frame-relay map Command

The show frame-relay Imi Command

CHECKPOINT

Review Questions

Review Answers

Appendix A:About the CD-ROM

Mike Meyers'Certification Passport CD-ROM Instructions

System Requirements

Technical Support

Appendix B:Career Flight Path

Cisco Career Certifications

Cisco Certified Internetworking Expert(CCIE)Program

Where Do You Start?

Index