Packet Guide to Core Network Protocols by Hartpence, Bruce -- Read -- Imperial Library of Trantor

Index

Packet Guide to Core Network Protocols Dedication SPECIAL OFFER: Upgrade this ebook with O’Reilly Preface

Audience Contents of This Book Conventions Used in This Book Using Code Examples Safari® Books Online How to Contact Us Content Updates

September 28, 2012

Acknowledgments

1. Networking Models

What Is a Model? Why Use a Model? OSI Model

OSI—Beyond the Layers OSI/ITU-T Protocols

Introducing TCP/IP

TCP/IP and the RFCs The Practical Side of TCP/IP Encapsulation Addressing Equipment

Reading Summary Review Questions Review Answers Lab Exercises

Activity 1—Examining Encapsulation Activity 2—Protocol Distribution Activity 3—Developing a Protocol/Architecture

2. Ethernet

Remember the Models Structure

Preamble Source and Destination MAC Addresses Control Field (Type) Data Field Frame Check Sequence

Ethernet Type II vs. 802.3 MAC Addresses—Another Look Ethernet Operation Shared Media Physical Layer

Cabling

Encoding

10Base-T 100Base-T 1000Base-T

Other Types of Signaling

Link Pulse Autonegotiation

Topologies Final Thoughts on Ethernet Reading Summary Review Questions Review Answers Lab Exercises

Activity 1—Basic Framing Activity 2—Control Field Values Activity 3—Addressing Activity 4—Destination Addresses Activity 5—Logical Link Control

3. Internet Protocol

Protocol Description Structure Addressing

Sample Host Configuration

Operation Digging a Little Deeper...What Addressing is Sufficient? Security Warning Organizations for Assigning Addresses and Names Standards and RFCs Summary Review Questions

Review Answers

Lab Exercises

Activity 1—Determining IP Address Components Activity 2—IP Packet Capture Activity 3—Header Checksum Activity 4—Fragmentation Activity 5—Special Address Capture

4. Address Resolution Protocol

The Problem Techniques Protocol Description Structure Addressing in the ARP Request Addressing in the ARP Reply Operation

Example 1—Sender and Target on the Same LAN Example 2—Sender and Target on Separate LANs

Additional Operations

The Return ARP Gratuitous ARP

Security Warning IPv6 Digging a Little Deeper Standards and RFCs Summary Review Questions Review Answers Lab Activities

Activity 1—Determining Your IP Address and Your Default Gateway Activity 2—Examining the ARP Table Activity 3—Packet Capture Activity 4—Gratuitous ARP Activity 5—How Long Does an ARP Table Entry Live?

5. Network Equipment

Tables and Hosts Hubs or Repeaters Switches and Bridges Access Points Routers

Another Gateway

Multilayer Switches and Home Gateways Security Summary Review Questions Review Answers Lab Activities

Activity 1—Traffic Comparison Activity 2—Layer-2 Trace Activity 3—Tables Activity 4—Layer-3 Trace Activity 5—Traffic Comparison

6. Internet Control Message Protocol

Structure Operations and Types

Echo Request (Type 0) and Echo Reply (Type 8)

Echo fun

Redirect (Type 5) Time to Live Exceeded (Type 11) Tracing a Route Destination Unreachable (Type 3)

Operating system vs. ICMP

Router Solicitation (Type 10) and Router Advertisements (Type 9)

Digging a Little Deeper—the One’s Complement IPv6 Summary Additional Reading Review Questions Review Answers Lab Activities

Activity 1—Ping Activity 2—Tracert Activity 3—Start Up Packet Capture Activity 4—Destination Unreachable From the OS Activity 5—Destination Unreachable From the Router

7. Subnetting and Other Masking Acrobatics

How Do We Use the Mask? What Is a Subnet? Subnet Patterns Subnet IP Addressing A Shorthand Technique The Effect on Address Space Theory vs. Reality Supernetting The Supernetted Network Classless Inter-Domain Routing CIDR and Aggregation Implementation

RFC 4632

Summary RFCs and Reading Review Questions Review Answers Lab Activities

Activity 1—What Is My Network? Activity 2—Change Your Network Activity 3—What Is the Address Given to You by Your ISP? Activity 4—Subnet Calculator

Internet Protocol Version 6

Protocol Description Structure

IPv6 Fields Hexadecimal Decode

Extensions Addressing

Global Assignments Zero Suppression and Special Addressing Unicast Address Discussion

Link-local Unicast Unique Local Global Unicast Site Local Unicast

IPv4 and IPv6

MAC addresses and IPv6 Autoconfig and EUI-64

Multicast MAC Addressing Anycast Unspecified Required Addresses Auto-configuration

Internet Control Message Protocol Version 6

Tunneling Current Status and IPv6 Day Summary Reading Review Questions Review Answers Lab Activities

Activity 1—Build the topology shown Activity 2—Configure the router IPv6 addresses Activity 3—Configure the hosts with global unicast IPv6 addresses Activity 4—Explain the neighbor discovery process Activity 5—EUI-64

About the Author Colophon SPECIAL OFFER: Upgrade this ebook with O’Reilly Copyright

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