Internetworking Basics

Internetworking Models

TCP/IP and the DoD Model

The Process/Application Layer Prot

The Host-to-Host Layer Protocols

The Internet Layer Protocols

IP Addressing

IP Terminology

The Hierarchical IP Addressing Sch

Private IP Addresses

Broadcast Addresses

Subnetting Basics

IP Subnet-Zero

How to Create Subnets

Subnet Masks

Classless Inter-Domain Routing (CIDR)

Subnetting Class C Addresses

Subnetting Class B Addresses

Subnetting Class A Addresses

Variable Length Subnet Masks (VLSMs)

VLSM Design

Implementing VLSM Networks

Summarization

Troubleshooting IP Addressing

Determining IP Address Problems

The IOS User Interface

Cisco Router IOS

Connecting to a Cisco Router

Bringing Up a Router

Command-Line Interface (CLI)

Overview of Router Modes

CLI Prompts

Editing and Help Features

Gathering Basic Routing Information

Router and Switch Administrative Configurations

Hostnames

Banners

Setting Passwords

Encrypting Your Passwords

Descriptions

Router Interfaces

Bringing Up an Interface

Viewing, Saving, and Erasing Configurations

Deleting the Configuration and Reloading the Router

Verifying Your Configuration

Cisco’s Security Device Manager (SDM)

The Internal Components of a Cisco Router

The Router Boot Sequence

Managing Configuration Register

Understanding the Configuration Register Bits

Checking the Current Configuration Register Valu

Changing the Configuration Register

Recovering Passwords

Boot System Commands

Backing Up and Restoring the Cisco IOS

Verifying Flash Memory

Backing Up the Cisco IOS

Restoring or Upgrading the Cisco Router IOS

Using the Cisco IOS File

Backing Up and Restoring the Cisco Configuration

Backing Up the Cisco Router Configuration

Restoring the Cisco Router Configuration

Erasing the Configuration

Using the Cisco IOS File System to Manage Your

Router’s Configuration

Using the SDM to Back Up/Restore and Edit

the Router’s Configuration

Using Cisco Discovery Protocol (CDP)

Getting CDP Timers and Holdtime Information

Gathering Neighbor Information

Routing Basics

The IP Routing Process

Testing Your IP Routing Understanding

Configuring IP Routing

Configuring IP Routing in Our Network

Static Routing

Default Routing

Dynamic Routing

Routing Protocol Basics

Distance-Vector Routing Protocols

Routing Loops

Routing Information Protocol (RIP)

RIP Timers

Configuring RIP Routing

Verifying the RIP Routing Tables

Holding Down RIP Propagations

RIP Version 2 (RIPv2)

Interior Gateway Routing Protocol (IGRP)

EIGRP Features and Operation

Protocol-Dependent Modules

Neighbor Discovery

Reliable Transport Protocol (RTP)

Diffusing Update Algorithm (DUAL)

Using EIGRP to Support Large Networks

Multiple ASes

VLSM Support and Summarization

Route Discovery and Maintenance

Configuring EIGRP

Corp

R1

R2

R3

Redistributing to the 871W Router from R3

Configuring Discontiguous Networks

Load Balancing with EIGRP

Verifying EIGRP

Open Shortest Path First (OSPF) Basics

OSPF Terminology

SPF Tree Calculation

Configuring OSPF

Enabling OSPF

Configuring OSPF Areas

Configuring Our Network with OSPF

Verifying OSPF Configuration

Switching Services

Limitations of Layer 2 Switching

Bridging vs. LAN Switching

Three Switch Functions at Layer 2

Spanning Tree Protocol (STP)

Spanning Tree Terms

Spanning Tree Operations

Configuring Catalyst Switches

Catalyst Switch Configuration

Verifying Cisco Catalyst Switches

VLAN Basics

Broadcast Control

Security

Flexibility and Scalability

VLAN Memberships

Static VLANs

Identifying VLANs

Frame Tagging

VLAN Identification Methods

VLAN Trunking Protocol (VTP)

VTP Modes of Operation

VTP Pruning

Routing between VLANs

Configuring VLANs

Assigning Switch Ports to VLANs

Configuring Trunk Ports

Configuring Inter-VLAN Routing

Configuring VTP

Troubleshooting VTP

Telephony: Configuring Voice VLANs

Configuring the Voice VLAN

Inter-vlan routing

Cisco’s IOS Firewall

Introduction to Access Lists

Mitigating Security Issues with ACLs

Standard Access Lists

Wildcard Masking

Standard Access List Example

Controlling VTY (Telnet) Access

Extended Access Lists

Static NAT Configuration

Dynamic NAT Configuration

PAT (Overloading) Configuration

Simple Verification of NAT

Testing and Troubleshooting NAT

Configuring NAT on Our Internetwork

Configuring NAT Using SDM

Introduction to Wireless Technology

The 802.11 Standards

Comparing 802.11

Wireless Security

Configuring Our Wireless Internetwork

IPv6 Addressing and Expressions

Shortened Expression

Address Types

Special Addresses

Introduction to Wide Area Networks

Defining WAN Terms

WAN Connection Types

WAN Support

Cable and DSL

Cable

Cabling the Serial Wide Area Network

Serial Transmission

Data Terminal Equipment and Data Communication

Equipment

High-Level Data-Link Control (HDLC) Protocol

Point-to-Point Protocol (PPP)

Link Control Protocol (LCP)

PPP Session Establishment

PPP Authentication Methods

Configuring PPP on Cisco Routers

Configuring PPP Authentication

Verifying PPP Encapsulation

Frame Relay

Introduction to Frame Relay Technology

Frame Relay Implementation and Monitoring

Using SDM for WAN Connections

Virtual Private Networks

Introduction to Cisco IOS IPSec