IPv6 Fundamentals

IPv6 Fundamentals : A Straightforward Approach to Understanding IPv6

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To support future business continuity, growth, and innovation, organizations must transition to IPv6, the next generation protocol for defining how computers communicate over networks. IPv6 Fundamentals provides a thorough yet easy-to-understand introduction to the new knowledge and skills network professionals and students need to deploy and manage IPv6 networks. Leading networking instructor Rick Graziani explains all the basics simply and clearly, one step at a time, providing all the details you'll need to succeed. Building on this introductory coverage, he then introduces more powerful techniques that involve multiple protocols and processes and provides hands-on resources you can rely on for years to come. You'll begin by learning why IPv6 is necessary, how it was created, and how it works. Next, Graziani thoroughly introduces IPv6 addressing, configuration options, and routing protocols, including RIPng, EIGRP for IPv6, and OSPFv3. You'll learn how to integrate IPv6 with IPv4, enabling both protocols to coexist smoothly as you move towards full reliance on IPv6. Throughout, Graziani presents all the IOS command syntax you'll need, offering specific examples, diagrams, and Cisco-focused IPv6 configuration tips. You'll also find links to Cisco white papers and official IPv6 RFCs that support an even deeper understanding. Rick Graziani teaches computer science and computer networking courses at Cabrillo College. He has worked and taught in the computer networking and IT field for nearly 30 years, and currently consults for Cisco and other leading clients. Graziani's recent Cisco Networking Academy Conference presentation on IPv6 Fundamentals and Routing drew a standing audience and the largest virtual audience for any session at the event. He previously worked for companies including Santa Cruz Operation, Tandem Computers, and Lockheed. * Understand how IPv6 overcomes IPv4's key limitations * Compare IPv6 with IPv4 to see what has changed and what hasn't * Represent IPv6 addresses, including subnet addresses * Enable IPv6 on router interfaces using static, dynamic, EUI-64, unnumbered, SLAAC, and DHCPv6 approaches * Improve network operations with ICMPv6 and Neighbor Discovery Protocol * Configure IPv6 addressing and Access Control Lists using a common topology * Work with IPv6 routing tables and configure IPv6 static routes * Compare, configure, and verify each IPv6 IGP routing protocol * Implement stateful and stateless DHCPv6 services * Integrate IPv6 with other upper-level protocols, including DNS, TCP, and UDP * Use dual-stack techniques to run IPv4 and IPv6 on the same device * Establish coexistence between IPv4 and IPv6 through manual, 6to4, or ISATAP tunneling * Promote a smooth transition with NAT64 (Network Address Translation IPv6 to IPv4) * This book is part of the Cisco Press Fundamentals Series. Books in this series introduce networking professionals to new networking technologies, covering network topologies, sample deployment concepts, protocols, and management techniques.
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Product details

  • Paperback | 456 pages
  • 185.42 x 228.6 x 27.94mm | 725.74g
  • Pearson Education (US)
  • Cisco Press
  • Indianapolis, United States
  • English
  • 1587143135
  • 9781587143137
  • 442,915

Table of contents

Introduction xvi Part I: Background Justification and Perspective for IPv6 Chapter 1 Introduction to IPv6 1 IPv4 1 Early Years of the Internet 2 IPv5 5 History of IPv6 5 Benefits of IPv6 7 IPv6: When? 8 IPv4 Address Depletion 9 CIDR 10 NAT and Private Addresses 12 Exhaustion of IPv4 Address Space 15 Migrating to IPv6 17 Chapter 2 The IPv6 Protocol 23 IPv4 Header 23 IPv6 Header 27 Packet Analysis Using Wireshark 31 Extension Headers 33 Hop-by-Hop Options Extension Header 36 Routing Extension Header 38 Fragment Extension Header 39 IPsec: AH and ESP Extension Headers 40 IPsec 40 Transport and Tunnel Modes 41 Encapsulating Security Payload (ESP) Extension Header 42 Authentication Header (AH) Extension Header 43 Destination Options Extension Header 45 No Next Header 46 Comparing IPv4 and IPv6 46 IPv4 and IPv6 Header Comparisons 46 Other Differences 47 Larger Maximum Transmission Unit (MTU) 47 User Datagram Protocol (UDP) 48 Fragmentation 48 Part II: IPv6: The Protocol Chapter 3 IPv6 Addressing 51 Hexadecimal Number System 51 Representation of IPv6 Addresses 54 Rule 1: Omission of Leading 0s 55 Rule 2: Omission of all-0s hextets 57 Combining Rule 1 and Rule 2 58 Prefix Notation 60 Brief Look at IPv6 Address Types 63 Unicast Addresses 63 Anycast Addresses 64 Multicast Addresses 64 Structure of a Global Unicast Address 64 Global Routing Prefix 65 Subnet ID 65 Interface ID 65 3-1-4 Rule 65 Putting It Together 67 Subnetting 71 Extending the Subnet Prefix 73 Subnetting on a Nibble Boundary 75 Subnetting Within a Nibble 76 Limiting the Interface ID Space 77 Chapter 4 IPv6 Address Types 81 IPv6 Address Space 82 Unicast Address 84 Global Unicast Address 85 Manual Global Unicast Configuration 87 Dynamic Configuration 99 Link-local Unicast 107 Dynamic Link-local Address: EUI-64 109 Randomly Generated Interface IDs 110 Static Link-local Address 111 Link-local Addresses and Duplicate Address Detection 114 Link-local Addresses and Default Gateways 115 Isolated Link-local Address 116 Loopback Address 116 Unspecified Address 118 Unique Local Address 119 IPv4 Embedded Address 121 IPv4-Compatible IPv6 Addresses 122 IPv4-Mapped IPv6 Addresses 123 Multicast 124 Assigned Multicast Addresses 127 Solicited-Node Multicast Addresses 130 Anycast Address 132 Chapter 5 ICMPv6 and Neighbor Discovery Protocol 139 General Message Format 140 ICMP Error Messages 144 Destination Unreachable 145 Packet Too Big 146 Path MTU Discovery 147 Time Exceeded 148 Parameter Problem 149 ICMP Informational Messages 149 Echo Request and Echo Reply 150 Pinging a Global Unicast Address 151 Pinging a Link-local Address 153 Multicast Listener Discovery 155 Neighbor Discovery Protocol 159 Router Solicitation and Router Advertisement Messages 160 Neighbor Solicitation and Neighbor Advertisement Messages 169 Neighbor Cache and Destination Cache 172 Address Resolution 174 Duplicate Address Detection 180 Neighbor Unreachability Detection 182 Stateless Address Autoconfiguration 182 Redirect Messages 184 Chapter 6 IPv6 Configuration 191 Configuring Global Unicast Addresses 193 Configuring Link-local Addresses 195 The ipv6 enable Command 199 Configuring a Global Unicast Address with the EUI-64 Option 200 Removing an IPv6 Address 202 Enabling IPv6 Packet Forwarding and ND Router Advertisements 203 Neighbor Cache 205 Tuning Neighbor Discovery Parameters 207 Final Configurations 213 IPv6 Access Control Lists 216 Denying Access from FACE:C0DE to CAFE 217 Permitting Local Telnet Access 221 Part III: Routing IPv6 Chapter 7 Introduction to Routing IPv6 227 IPv6 Routing Table 228 Code: Connected 231 Code: Local 233 Comparing IPv6 and IPv4 Routing Tables 234 Configuring IPv6 Static Routes 237 Changing the Administrative Distance 247 Final Configurations and Verification 249 CEF for IPv6 251 Chapter 8 IPv6 IGP Routing Protocols 255 RIPng for IPv6 257 Comparing RIPng for IPv6 and RIPv2 257 Configuring RIPng on Cisco Routers 259 Verifying RIPng 264 EIGRP for IPv6 272 Comparing EIGRP for IPv4 and EIGRP for IPv6 272 Configuring EIGRP for IPv6 273 Verifying EIGRP for IPv6 278 OSPFv3 286 Comparing OSPFv2 and OSPFv3 287 Configuring OSPFv3 289 Verifying OSPFv3 293 Chapter 9 DHCPv6 (Dynamic Host Configuration Protocol version 6) 303 DHCPv6 Services 303 DHCPv6 Terminology, Multicast Addresses, and Message Types 306 DHCPv6 Communications 309 Configuring Stateless DHCPv6 313 Rapid Commit Option 318 Configuring the Rapid Commit Option 319 Relay Agent Communications 320 Configuring the Relay Agent 322 Other Upper-Layer Protocols 323 DNS 323 DNS Query and Response 326 TCP and UDP 328 Chapter 10 Dual-Stack and Tunneling 333 Dual-Stack 334 IPv6 Address Format in URL Syntax 336 Configuring a Dual-Stack Network 337 Tunneling 344 Manual Tunnels 349 6to4 Tunnels 356 6to4 Tunnels and Loopback Interfaces 364 ISATAP 365 Other Tunneling Technologies 373 Chapter 11 Network Address Translation IPv6 to IPv4 (NAT64) 377 NAT64 378 Traffic Initiated from IPv6-only Clients to IPv4-only Servers 379 Configuration 383 Traffic Initiated from IPv4-only Clients to IPv6-only Servers 387 NAT-PT: Network Address Translation - Protocol Translation 389 Application Level Gateway 390 Using NAT-PT 391 Static NAT-PT 394 Dynamic NAT-PT 399 Other Translation Techniques 402 9781587143137, TOC, 9/18/2012
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About Rick Graziani

Rick Graziani teaches computer science and computer networking courses at Cabrillo College in Aptos, California. Prior to teaching, he worked in the information technology field for Santa Cruz Operation, Tandem Computers, and Lockheed Missiles and Space Corporation. He holds an M.A. in computer science and systems theory from California State University Monterey Bay. Rick also does consulting work for Cisco Systems. When he is not working, he is most likely surfing at one of his favorite Santa Cruz surf breaks.
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