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| Introduction | |
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| Networking Basics | |
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| What Is a Network? | |
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| No, Really, What Is a Network? | |
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| What an Elephant--err, a Network--Looks Like | |
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| Three Blind Men--The Server Guy, the Cabling Guy, and the Network Guy | |
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| Different Types of Traditional Computer Networks | |
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| Big Company, Multiple Sites: An Enterprise WAN | |
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| Just You and Me and the Whole World--The Internet | |
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| A Network's Reason for Existence | |
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| Using the Network by Accident | |
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| Using the Network on Purpose | |
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| Web Browsing | |
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| Electronic Mail (E-Mail) | |
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| Downloading and Transferring Files | |
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| Building a Network: It All Starts with a Plan | |
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| Conforming to the Rules | |
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| Rules, Schmools for Networking | |
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| Examples of Good Rules for Networking | |
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| Traveling a Roadway for a Bit to Get a Byte | |
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| Example Rule for Sending the Bits | |
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| Sending the Bits a Packet (Package) at a Time | |
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| What to Do When the Bits Get Bashed | |
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| The Book(s) of Rules | |
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| Proprietary Network Models Prevent Pervasive Population of Networking Devices | |
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| Public Network Models Provide Pervasively Popular Networks | |
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| How TCP/IP Standards Grow | |
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| Some Pretty Popular TCP/IP Protocols | |
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| Transmission Control Protocol (TCP) | |
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| Internet Protocol (IP) | |
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| TCP/IP Standards That Aren't TCP/IP Standards | |
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| Standards for Physical Networking Nearby | |
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| Standards for Physical Networking Far Away | |
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| How to Eat an Elephant, TCP/IP Style | |
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| How to Eat a T-Rex, OSI Style | |
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| T-Rex Versus the Elephant | |
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| Running the Local Department of (Network) Transportation | |
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| How to Build a Local (Network) Roadway | |
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| Driving Bits Across the Network Roadway | |
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| What's a Local-Area Network? | |
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| Transmitting Bits Across the Local Network Roadway | |
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| Driving Bits Across a Wire | |
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| The Need for a Two-Lane (Network) Road | |
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| The Equivalent of Asphalt: Cables | |
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| Painting the Lines on the Road: Connectors | |
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| Driving in the Right Lane (Pair) on the Road | |
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| Sharing the Local Roadway: Ethernet Hubs | |
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| Dirt Roads Versus the DOT | |
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| Rules of the Road: How to Use the Local (Network) Roadway | |
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| Preparing for a Trip: How to Make Your Car (Data) "Street Legal" | |
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| LAN-Legal Data: An Ethernet Frame | |
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| Driving Where I Want and When I Want Is Pretty Cool | |
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| Why Wrecks (Collisions) Happen on Ethernet | |
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| How to Avoid Most Wrecks | |
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| What to Do When a Wreck Happens | |
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| Stopping at the Destination: What Happens When Someone Comes to See You | |
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| Are They Coming to Our House or the Neighbor's House? | |
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| Who Is It, Honey? | |
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| I Don't Understand a Thing You're Saying | |
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| Two Standards for Ethernet | |
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| Reducing Congestion and Driving Faster on the Local (Network) Roadway | |
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| Reducing Congestion by Opening Up More Lanes on Each LAN | |
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| Hubs: A One-Lane Road | |
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| Switches: How to Create Dozens of Lanes on the LAN | |
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| The Perfect Roadway: No Wrecks Allowed! | |
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| Using Full Duplex: Making the Streets Two Way | |
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| Switches: The Rest of the Story | |
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| Painting the Road Signs: Learning MAC Addresses | |
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| The Forward Versus Filter Decision | |
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| What to Do When the Road Sign (Address Table) Doesn't List Your Destination | |
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| How to Go Everywhere at the Same Time | |
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| Summary of Switch Logic | |
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| I Feel the Need, the Need for Speed | |
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| A New, Improved, and Faster Ethernet--Let's Call It Fast Ethernet | |
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| If Fast Ethernet Is Good, Even Faster Is Better: Gigabit Ethernet | |
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| Ultra Super-Fast Fast Ethernet: 10 Gigabit Ethernet | |
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| Summary of Ethernet Speeds | |
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| A Switch for All Speeds | |
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| Adding Local (Network) Roadways for No Extra Money | |
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| The Physical Reality Precedes the Virtual Reality | |
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| Physical LANs: It's All About Broadcasts | |
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| Master of Your Own (Broadcast) Domain | |
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| Multiple Physical LANs Require Multiple Switches | |
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| Virtual (LAN) Reality: One Switch, but Multiple LANs | |
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| How to Create a Virtual LAN | |
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| Why You Need More Than One LAN | |
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| If 100 Devices in a LAN Is Good, 1000 Devices Must Be Better | |
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| OSI Layer 8 Issues | |
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| OSI Layer 3 Design Goals | |
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| Saving Cash | |
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| Packing Your VLAN's Frames in a Trunk When Leaving the Switch | |
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| How to Pack Your Trunk for the Trip to the Other Switch | |
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| Tale of Two Trunking Protocols | |
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| Shipping and Logistics: Commerce Using the (Network) Roadways | |
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| Shipping Goods over a (Network) Roadway | |
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| Neither Rain, Nor Sleet, Nor Dark of Night: E-Mail | |
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| Dropping Off and Getting Your (e)Mail | |
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| Postal Address Versus E-Mail Address | |
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| Rules, Schmools: Even More Rules? | |
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| Protocols for Addressing the Envelope Correctly: Internet Message Formats | |
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| The KISS Principle and SMTP | |
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| What to Do When You Need a Little POP in Your Network | |
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| SMTP and POP3 Working Together | |
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| Building a Centralized Warehouse: File Transfer | |
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| Warehouse Lingo and Procedures | |
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| Rules, Schmools for FTP | |
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| Browsing Around the Internet Shopping Mall: The World Wide Web | |
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| Rules, Schmools for Web Retailing | |
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| Buy One, Get a Bunch for Free | |
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| Choosing Shipping Options When Transporting the Goods over the (Network) Roadway | |
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| "Hello, I'm at Your Service" | |
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| Full-Service Shipping | |
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| Shipping Basics: Controlling Shipments Using Shipping Labels | |
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| Purchasing Insurance for Your (Network) Shipment | |
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| The Mechanics of Delivery Confirmation | |
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| Lose All You Want--We'll Make More | |
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| Big Box, Small Truck--What Do You Do? | |
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| Why Three Smaller Segments Is Better Than One Big Segment | |
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| My Little White Lie About Acknowledgments | |
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| Delivering the Package to the Right Person, Not Just the Right Address | |
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| The Chicken, the Egg, and the Destination Port of the First Segment | |
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| Starting Off on the Right Foot Using a TCP Connection | |
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| Navigating the Roadways to Find the Right Street Address | |
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| Delivering the Goods to the Right Street (IP) Address | |
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| Navigation Basics: Driving to the Right Destination | |
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| IP as the Postmaster General of the Network | |
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| Knowing the Address Before Driving to the Destination | |
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| Putting a Name on the Shipping Label | |
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| How to Run a (Network) Postal Service | |
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| One Location, One Zip Code, One Network Number | |
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| Three Sizes Fit All | |
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| The Actual Class A, B, and C Network Numbers | |
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| Subdividing a Network into Subnets | |
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| The Problem: Wasting IP Host Addresses | |
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| The Solution: Subnetting Saves IP Host Addresses | |
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| Knowing Where to Turn at Each Intersection (Router) | |
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| A Short Trip from Your House (PC) to the Local Store (Server) | |
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| Overview of the End-to-End Routing Process | |
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| Leaving Your Neighborhood the Same Way, Every Time | |
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| Getting into Your Car to Drive to Lunch | |
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| Learning How to Go to the Default Post Office (Router) | |
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| Summary of Step 1 | |
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| Choosing Which Road to Take at the First Intersection | |
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| The Useful but Short Life of an Ethernet Frame | |
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| Deciding Where to Go Next | |
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| Yet Another Ethernet Data Link Frame | |
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| Summary of Step 2 | |
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| Choosing Which Road to Take at the Final Intersection | |
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| The Still Useful, but Still Short Life of an Ethernet Frame | |
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| The Routing Table at R2: Same Destination, Different Forwarding Instructions | |
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| Yet Another Short-Lived Ethernet Frame | |
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| Other Rules of the Road | |
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| Routing with Subnets | |
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| How to Drive When You Aren't Leaving the Neighborhood (Subnet) | |
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| Painting the Road Signs on Your Interstate (Internetwork) | |
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| Routing to Nearby Places | |
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| Painting Road Signs and Other Long-Lasting Directions | |
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| Dynamically Learning and Changing Routing Tables | |
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| Picking the Best Road (Route) | |
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| Introducing the Long List of Routing Protocols | |
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| People Like Names, but Computers Like Numbers | |
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| Looking Up the Name and Number in the Phone Book (Host Table) | |
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| Asking Someone Else to Look Up the Phone Number (IP Address) for You | |
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| Asking for Name Resolution Help Inside the Company | |
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| Asking for Name Resolution Help Outside the Company | |
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| How Names Should Be Formatted | |
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| Building an Interstate (Inter-LAN) Highway System | |
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| Leasing a (Network) Roadway Between Two Points | |
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| Leasing the Cable When You Can't Run the Cable | |
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| You Can't Lease the Cross-Over Cable, So Lease Something Almost Just Like It | |
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| It's Not Really a 450-Mile Cable, but It Works Like One | |
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| The Many Personalities of a WAN Link | |
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| Differences Between a Cross-Over Cable and a Leased Circuit | |
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| I Feel the Need, the Need for Speed | |
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| The Need to Control the Speed | |
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| Double Your Speed at No Cost | |
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| A WAN Link Installation Plan | |
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| Roters and WANs: A Match Made in Heaven | |
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| You Can't Just Send Data; You Have to Send a Frame | |
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| Addressing on WAN Serial Links | |
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| The Choice of Two Data Link Protocols | |
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| Leasing a (Network) Roadway Between Lots of Places | |
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| Making the Telco Look Like One Big Whopping Switch | |
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| Cabling a Router to the Big Frame Relay Switch | |
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| Basic Logic Used by the Big Whopping Frame Relay Switch | |
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| If Two Sites Are Good, Three (or More) Must Be Better | |
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| It's Virtually Like a Leased Circuit, So Let's Call It a Virtual Circuit | |
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| Faster, Cheaper, Better--You Can't Go Wrong with Frame Relay | |
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| You Can Still Use Serial Links, but It Will Cost You Up Front | |
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| Get Your Free Bandwidth Here! Free Bits! | |
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| Routers and WANs: Still a Match Made in Heaven | |
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| You Can't Just Send Data--You Have to Send a Frame Relay Frame | |
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| Addressing Is Much More Interesting on Frame Relay Than on Serial Links | |
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| Driving from Home onto the Globally Interconnected (Internet) Roadway | |
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| Once on the Interstate (Internet), You Can Go Anywhere | |
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| Using a Phone Line for Data | |
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| Making Data Sound Like Voice | |
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| What Phones Do for Voice, Modems Do for Data | |
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| How Fast Can You Talk? | |
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| Calling the Internet! Calling the Internet! | |
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| Now That I Know How to Talk, Whom Should I Call? | |
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| Now That I Know Whom to Call, What Do I Say? | |
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| Using the Phone Line for Data--the DSL Way | |
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| Dr. Analog Voice and Mr. Hiding Digital | |
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| Faster Is Better | |
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| Sending Data from Home Without Using a Phone Line | |
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| Securing the Network | |
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| Accepting the Right People and Rejecting the Wrong People | |
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| Safe Driving by Using AAA | |
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| Checking for Fake Drivers' (Users') Licenses | |
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| Hey! How Did You Get in Here? | |
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| Checking the License to Find Out if He Can Drive That Kind of Vehicle | |
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| Tracking Drivers' (Users') Violations | |
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| Making Sure (Internet) Drivers Have Valid Drivers' Licenses | |
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| No Appls Yet? Be a Good CHAP and Ask PAP | |
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| Stopping Someone from Using Your License (Password) | |
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| You're Wearing Your Credit Card Number on Your T-Shirt | |
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| Keeping a Watchful Eye Over Who Drives into Your (Network) Neighborhood | |
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| Setting the Ground Rules | |
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| Enforcing the Ground Rules | |
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| Ways to Watch Your (Network) Neighborhood | |
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| Deciding When to Stop the Traffic | |
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| Safe Places Outside of Your Neighborhood (Network) | |
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| Using the Police to Watch for Bad Guys | |
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| Watching for Wolves in Sheep's Clothing | |
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| Avoiding Catching Cold | |
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| Profiling What the Bad Guys Want to Do | |
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| Appendixes | |
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| Answers to Chapter Review Questions | |
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| Converting IP Addresses Between Decimal and Binary | |
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| Glossary | |
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| Index | |