Cover......Page 1
Contents......Page 12
Foreword......Page 27
Introduction......Page 28
Part I: LAN Switching......Page 48
โDo I Know This Already?โ Quiz......Page 50
Foundation Topics......Page 54
Virtual LAN Concepts......Page 55
VLAN and VLAN Trunking Configuration and Verification......Page 68
VTP Configuration and Verification......Page 83
Review All the Key Topics......Page 98
Command Reference to Check Your Memory......Page 99
โDo I Know This Already?โ Quiz......Page 102
Spanning Tree Protocol (IEEE 802.1d)......Page 106
Rapid STP (IEEE 802.1w)......Page 123
STP Configuration and Verification......Page 131
STP Troubleshooting......Page 143
Review All the Key Topics......Page 150
Command Reference to Check Your Memory......Page 151
โDo I Know This Already?โ Quiz......Page 154
Generalized Troubleshooting Methodologies......Page 155
Troubleshooting the LAN Switching Data Plane......Page 162
Predicting Normal Operation of the LAN Switching Data Plane......Page 192
Complete the Tables and Lists from Memory......Page 200
Part II: IP Routing......Page 202
โDo I Know This Already?โ Quiz......Page 204
IP Routing and Addressing......Page 207
Routes to Directly Connected Subnets......Page 220
Static Routes......Page 225
Complete the Tables and Lists from Memory......Page 239
Command Reference to Check Your Memory......Page 240
โDo I Know This Already?โ Quiz......Page 244
VLSM......Page 247
Manual Route Summarization......Page 256
Autosummarization and Discontiguous Classful Networks......Page 263
Definitions of Key Terms......Page 269
Command Reference to Check Your Memory......Page 270
โDo I Know This Already?โ Quiz......Page 272
Standard IP Access Control Lists......Page 276
Extended IP Access Control Lists......Page 289
Advances in Managing ACL Configuration......Page 298
Miscellaneous ACL Topics......Page 304
Review All the Key Topics......Page 310
Command Reference to Check Your Memory......Page 311
โDo I Know This Already?โ Quiz......Page 314
The ping and traceroute Commands......Page 315
Troubleshooting the Packet Forwarding Process......Page 323
Troubleshooting Tools and Tips......Page 333
Definitions of Key Terms......Page 346
Part III: Routing Protocols Configuration and Troubleshooting......Page 348
โDo I Know This Already?โ Quiz......Page 350
Dynamic Routing Protocol Overview......Page 354
Distance Vector Routing Protocol Features......Page 363
Link-State Routing Protocol Features......Page 378
Review All the Key Topics......Page 384
Command Reference to Check Your Memory......Page 385
โDo I Know This Already?โ Quiz......Page 388
OSPF Protocols and Operation......Page 392
OSPF Configuration......Page 406
Complete the Tables and Lists from Memory......Page 418
Command Reference to Check Your Memory......Page 419
โDo I Know This Already?โ Quiz......Page 422
EIGRP Concepts and Operation......Page 425
EIGRP Configuration and Verification......Page 434
Complete the Tables and Lists from Memory......Page 448
Command Reference to Check Your Memory......Page 449
โDo I Know This Already?โ Quiz......Page 452
Perspectives on Troubleshooting Routing Protocol Problems......Page 453
Interfaces Enabled with a Routing Protocol......Page 455
Neighbor Relationships......Page 463
Command Reference to Check Your Memory......Page 473
Part IV: Wide-Area Networks......Page 476
โDo I Know This Already?โ Quiz......Page 478
PPP Concepts......Page 481
PPP Configuration......Page 487
Troubleshooting Serial Links......Page 489
Definitions of Key Terms......Page 498
Command Reference to Check Your Memory......Page 499
โDo I Know This Already?โ Quiz......Page 502
Frame Relay Overview......Page 506
Frame Relay Addressing......Page 514
Network Layer Concerns with Frame Relay......Page 518
Controlling Speed and Discards in the Frame Relay Cloud......Page 524
Definitions of Key Terms......Page 526
โDo I Know This Already?โ Quiz......Page 528
Frame Relay Configuration and Verification......Page 532
Frame Relay Troubleshooting......Page 552
Read the Appendix F Scenarios......Page 565
Command Reference to Check Your Memory......Page 566
โDo I Know This Already?โ Quiz......Page 570
VPN Fundamentals......Page 573
IPsec VPNs......Page 576
SSL VPNs......Page 583
Definitions of Key Terms......Page 585
Part V: Scaling the IP Address Space......Page 588
โDo I Know This Already?โ Quiz......Page 590
Perspectives on IPv4 Address Scalability......Page 594
Network Address Translation Concepts......Page 598
NAT Configuration and Troubleshooting......Page 607
Complete the Tables and Lists from Memory......Page 618
Command Reference to Check Your Memory......Page 619
โDo I Know This Already?โ Quiz......Page 622
Foundation Topics......Page 625
Global Unicast Addressing, Routing, and Subnetting......Page 626
IPv6 Protocols and Addressing......Page 638
Configuring IPv6 Routing and Routing Protocols......Page 649
IPv6 Transition Options......Page 654
Review All the Key Topics......Page 658
Command Reference to Check Your Memory......Page 659
Part VI: Final Preparation......Page 662
Tools for Final Preparation......Page 664
Study Plan......Page 668
Summary......Page 673
Part VII: Appendixes......Page 676
Chapter 1......Page 678
Chapter 4......Page 679
Chapter 5......Page 680
Chapter 6......Page 681
Chapter 8......Page 682
Chapter 9......Page 683
Chapter 12......Page 684
Chapter 13......Page 685
Chapter 14......Page 686
Chapter 16......Page 687
Chapter 17......Page 688
Appendix B: Decimal to Binary Conversion Table......Page 690
Appendix C: ICND2 Exam Updates: Version 1.0......Page 694
A......Page 698
B......Page 699
C......Page 700
D......Page 702
E......Page 703
F......Page 704
G......Page 705
I......Page 706
L......Page 708
N......Page 709
P......Page 710
R......Page 712
S......Page 714
U......Page 716
V......Page 717
Z......Page 718
A......Page 719
B - C......Page 720
D......Page 721
E......Page 722
F......Page 723
G - H - I......Page 724
J - K - L......Page 726
N......Page 727
P......Page 728
Q - R......Page 729
S......Page 730
T......Page 732
U - V......Page 734
W - X - Y - Z......Page 735
Appendix D: Subnetting Practice......Page 738
Appendix E: Subnetting Reference Pages......Page 828
Appendix F: Additional Scenarios......Page 853
Appendix G: Video Scenario Reference......Page 918
Appendix H: ICND1 Chapter 12: IP Addressing and Subnetting......Page 945
Appendix I: ICND1 Chapter 17: WAN Configuration......Page 1013
Appendix J: Memory Tables......Page 1037
Appendix K: Memory Tables Answer Key......Page 1057
Appendix L: ICND2 Open-Ended Questions......Page 1079