| Introduction | p. xxiii |
| Assessment Test | p. xli |
| Internetworking | p. 1 |
| Internetworking Models | p. 3 |
| The Layered Approach | p. 3 |
| Advantages of Reference Models | p. 4 |
| The OSI Reference Model | p. 5 |
| The OSI Layers | p. 6 |
| Ethernet Networking | p. 21 |
| Half- and Full-Duplex Ethernet | p. 22 |
| Ethernet at the Data Link Layer | p. 23 |
| Ethernet at the Physical Layer | p. 29 |
| Data Encapsulation | p. 30 |
| The Cisco Three-Layer Hierarchical Model | p. 32 |
| The Core Layer | p. 35 |
| The Distribution Layer | p. 35 |
| The Access Layer | p. 36 |
| Assembling and Cabling Cisco Devices | p. 37 |
| Cabling the Ethernet Local Area Network | p. 37 |
| Ethernet Media and Connector Requirements | p. 38 |
| UTP Connections (RJ-45) | p. 39 |
| Cabling the Wide Area Network | p. 42 |
| Selecting Cisco Products | p. 45 |
| Cisco Hubs | p. 46 |
| Cisco Routers | p. 47 |
| Cisco Switches | p. 49 |
| Summary | p. 51 |
| Key Terms | p. 51 |
| Written Labs | p. 53 |
| OSI Questions | p. 53 |
| Defining the OSI Layers and Devices | p. 55 |
| Identifying Collision and Broadcast Domains | p. 56 |
| Switching Technologies | p. 71 |
| Layer-2 Switching | p. 72 |
| Limitations of Layer-2 Switching | p. 73 |
| Bridging versus LAN Switching | p. 74 |
| Three Switch Functions at Layer 2 | p. 74 |
| Address Learning | p. 74 |
| Forward/Filter Decisions | p. 76 |
| Loop Avoidance | p. 77 |
| Spanning-Tree Protocol (STP) | p. 79 |
| Spanning-Tree Operations | p. 79 |
| Selecting the Root Bridge | p. 80 |
| Selecting the Designated Port | p. 81 |
| Spanning-Tree Port States | p. 82 |
| Spanning-Tree Example | p. 83 |
| LAN Switch Types | p. 84 |
| Store and Forward | p. 85 |
| Cut-Through (Real Time) | p. 85 |
| FragmentFree (Modified Cut-Through) | p. 86 |
| Summary | p. 86 |
| Key Terms | p. 87 |
| Internet Protocol | p. 99 |
| TCP/IP and the DoD Model | p. 100 |
| The Process/Application Layer Protocols | p. 102 |
| The Host-to-Host Layer Protocols | p. 107 |
| The Internet Layer Protocols | p. 116 |
| IP Addressing | p. 125 |
| IP Terminology | p. 126 |
| The Hierarchical IP Addressing Scheme | p. 126 |
| Subnetting | p. 134 |
| Subnet Masks | p. 136 |
| Subnetting Class C Addresses | p. 136 |
| Subnetting Class B Addresses | p. 145 |
| Subnetting Class A Addresses | p. 153 |
| Configuration and IOS Management Commands | p. 171 |
| Cisco Router User Interface | p. 173 |
| Cisco Router IOS | p. 173 |
| Connecting to a Cisco Router | p. 174 |
| Bringing Up a Router | p. 175 |
| Command-Line Interface | p. 180 |
| Logging into the Router | p. 181 |
| Overview of Router Modes | p. 182 |
| CLI Prompts | p. 182 |
| Editing and Help Features | p. 185 |
| Gathering Basic Routing Information | p. 190 |
| Setting the Passwords | p. 191 |
| Banners | p. 197 |
| Router Interfaces | p. 199 |
| Hostnames | p. 204 |
| Descriptions | p. 204 |
| Viewing and Saving Configurations | p. 205 |
| Verifying Your Configuration | p. 207 |
| Summary | p. 213 |
| Key Terms | p. 214 |
| Commands in This Chapter | p. 214 |
| Written Lab | p. 218 |
| Hands-on Labs | p. 219 |
| Logging into a Router | p. 219 |
| Using the Help and Editing Features | p. 220 |
| Saving a Router Configuration | p. 222 |
| Setting Your Passwords | p. 222 |
| Setting the Hostname, Descriptions, IP Address, and Clock Rate | p. 225 |
| Review Questions | p. 227 |
| Answers to the Written Lab | p. 232 |
| Answers to Review Questions | p. 233 |
| IP Routing | p. 235 |
| Routing | p. 236 |
| The IP Routing Process | p. 237 |
| IP Routing in a Larger Network | p. 241 |
| IP Routing in Our Network | p. 246 |
| Static Routing | p. 247 |
| Default Routing | p. 253 |
| Dynamic Routing | p. 255 |
| Administrative Distances | p. 256 |
| Routing Protocols | p. 257 |
| Routing Loops | p. 259 |
| Routing Information Protocol (RIP) | p. 262 |
| RIP Timers | p. 263 |
| Configuring RIP Routing | p. 263 |
| Verifying the RIP Routing Tables | p. 266 |
| Holding Down RIP Propagations | p. 268 |
| Interior Gateway Routing Protocol (IGRP) | p. 268 |
| IGRP Timers | p. 269 |
| Configuring IGRP Routing | p. 269 |
| Configuring IGRP in Our Internetwork | p. 270 |
| 2621A | p. 271 |
| 2501A | p. 271 |
| 2501B | p. 272 |
| 2501C | p. 272 |
| Verifying the IGRP Routing Tables | p. 272 |
| Verifying Your Configurations | p. 275 |
| The Show Protocols Command | p. 275 |
| The Show IP Protocol Command | p. 276 |
| The Debug IP RIP Command | p. 278 |
| The Debug IP IGRP Command | p. 279 |
| Hands-on Labs | p. 285 |
| Creating Static Routes | p. 285 |
| Dynamic Routing with RIP | p. 287 |
| Dynamic Routing with IGRP | p. 288 |
| Virtual LANs (VLANs) | p. 299 |
| Virtual LANs | p. 300 |
| Broadcast Control | p. 301 |
| Security | p. 302 |
| Flexibility and Scalability | p. 303 |
| VLAN Memberships | p. 305 |
| Static VLANs | p. 305 |
| Dynamic VLANs | p. 305 |
| Identifying VLANs | p. 306 |
| Frame Tagging | p. 306 |
| VLAN Identification Methods | p. 307 |
| Inter-Switch Link (ISL) Protocol | p. 307 |
| Trunking | p. 308 |
| Routing between VLANs | p. 309 |
| VLAN Trunk Protocol (VTP) | p. 309 |
| VTP Modes of Operation | p. 311 |
| Configuration Revision Number | p. 312 |
| VTP Pruning | p. 312 |
| Managing a Cisco Internetwork | p. 325 |
| The Internal Components of a Cisco Router | p. 327 |
| The Router Boot Sequence | p. 328 |
| Managing Configuration Registers | p. 329 |
| Understanding the Configuration Register Bits | p. 329 |
| Checking the Current Configuration Register Value | p. 331 |
| Changing the Configuration Register | p. 331 |
| Recovering Passwords | p. 332 |
| Backing Up and Restoring the Cisco IOS | p. 336 |
| Verifying Flash Memory | p. 336 |
| Backing Up the Cisco IOS | p. 337 |
| Restoring or Upgrading the Cisco Router IOS | p. 338 |
| Backing Up and Restoring the Cisco Configuration | p. 341 |
| Backing Up the Cisco Router Configuration | p. 342 |
| Restoring the Cisco Router Configuration | p. 344 |
| Erasing the Configuration | p. 345 |
| Using Cisco Discovery Protocol | p. 345 |
| Getting CDP Timers and Holdtime Information | p. 345 |
| Getting Neighbor Information | p. 346 |
| Getting Interface Traffic Information | p. 349 |
| Getting Port and Interface Information | p. 350 |
| Using Telnet | p. 351 |
| Telnetting into Multiple Devices Simultaneously | p. 353 |
| Checking Telnet Connections | p. 355 |
| Checking Telnet Users | p. 355 |
| Closing Telnet Sessions | p. 356 |
| Resolving Hostnames | p. 357 |
| Building a Host Table | p. 357 |
| Using DNS to Resolve Names | p. 360 |
| Checking Network Connectivity | p. 362 |
| Using the Ping Command | p. 362 |
| Using the Trace Command | p. 363 |
| Hands-on Labs | p. 370 |
| Backing Up Your Router IOS | p. 370 |
| Upgrading or Restoring Your Router IOS | p. 371 |
| Backing Up the Router Configuration | p. 371 |
| Using the Cisco Discovery Protocol (CDP) | p. 372 |
| Using Telnet | p. 373 |
| Resolving Hostnames | p. 374 |
| Configuring Novell IPX | p. 385 |
| Introduction to Novell IPX | p. 386 |
| Novell IPX Protocol Stack | p. 387 |
| Client-Server Communication | p. 388 |
| Server-Server Communication | p. 390 |
| IPX Addressing | p. 395 |
| Encapsulation | p. 396 |
| Enabling IPX on Cisco Routers | p. 398 |
| Enabling IPX Routing | p. 398 |
| Enabling IPX on Individual Interfaces | p. 398 |
| Configuring Our Internetwork with IPX | p. 400 |
| Configuring IPX on the 2621A Router | p. 401 |
| Configuring IPX on the 2501A Router | p. 401 |
| Configuring IPX on the 2501B Router | p. 402 |
| Configuring IPX on the 2501C Router | p. 402 |
| Verifying the IPX Routing Tables | p. 403 |
| Adding Secondary Addresses | p. 405 |
| Configuring Secondary Addresses | p. 406 |
| Subinterfaces | p. 406 |
| Configuring Our Internetwork with Multiple Ethernet Frame Types | p. 407 |
| Configuring Multiple Frame Types on the 2621A Router | p. 408 |
| Configuring Multiple Frame Types on the 2501A Router | p. 409 |
| Configuring Multiple Frame Types on the 2501B Router | p. 410 |
| Configuring Multiple Frame Types on the 2501C Router | p. 410 |
| Verifying the IPX Routing Tables | p. 411 |
| Monitoring IPX on Cisco Routers | p. 412 |
| Show IPX Servers | p. 413 |
| Show IPX Route | p. 414 |
| Show IPX Traffic | p. 415 |
| Show IPX Interfaces | p. 416 |
| Show Protocols | p. 417 |
| Debug IPX | p. 418 |
| Router A#IPX Ping | p. 420 |
| Hands-on Labs | p. 425 |
| Configuring Internetworking Packet Exchange (IPX) | p. 425 |
| Adding Secondary Network Addresses and Multiple Frame Types with IPX | p. 427 |
| Managing Traffic with Access Lists | p. 439 |
| Access Lists | p. 440 |
| Standard IP Access Lists | p. 442 |
| Controlling VTY (Telnet) Access | p. 447 |
| Extended IP Access Lists | p. 448 |
| Monitoring IP Access Lists | p. 453 |
| IPX Access Lists | p. 453 |
| Standard IPX Access Lists | p. 454 |
| Extended IPX Access Lists | p. 455 |
| IPX SAP Filters | p. 456 |
| Verifying IPX Access Lists | p. 457 |
| Hands-on Labs | p. 462 |
| Standard IP Access Lists | p. 462 |
| Extended IP Access Lists | p. 464 |
| Standard IPX Access Lists | p. 466 |
| Wide Area Networking Protocols | p. 477 |
| Wide Area Networks | p. 478 |
| Defining WAN Terms | p. 478 |
| WAN Connection Types | p. 479 |
| WAN Support | p. 480 |
| High-Level Data-Link Control Protocol (HDLC) | p. 481 |
| Point-to-Point Protocol (PPP) | p. 483 |
| Link Control Protocol (LCP) Configuration Options | p. 484 |
| PPP Session Establishment | p. 484 |
| PPP Authentication Methods | p. 485 |
| Configuring PPP on Cisco Routers | p. 485 |
| Configuring PPP Authentication | p. 486 |
| Verifying PPP Encapsulation | p. 487 |
| Frame Relay | p. 488 |
| Frame Relay Terminology | p. 489 |
| Frame Relay Encapsulation | p. 491 |
| Data Link Connection Identifiers (DLCIs) | p. 492 |
| Local Management Interface (LMI) | p. 493 |
| Subinterfaces | p. 494 |
| Mapping Frame Relay | p. 498 |
| Frame Relay Congestion Control | p. 500 |
| Committed Information Rate (CIR) | p. 500 |
| Monitoring Frame Relay | p. 501 |
| Integrated Services Digital Network (ISDN) | p. 505 |
| ISDN Components | p. 506 |
| Basic Rate Interface (BRI) | p. 509 |
| Primary Rate Interface (PRI) | p. 510 |
| ISDN with Cisco Routers | p. 510 |
| Dial-on-Demand Routing (DDR) | p. 511 |
| Configuring DDR | p. 512 |
| Configuring Static Routes | p. 512 |
| Specifying Interesting Traffic | p. 512 |
| Configuring the Dialer Information | p. 513 |
| Optional Commands | p. 515 |
| DDR with Access Lists | p. 516 |
| Verifying the ISDN Operation | p. 516 |
| Hands-on Labs | p. 524 |
| Configuring PPP Encapsulation and Authentication | p. 524 |
| Configuring and Monitoring HDLC | p. 526 |
| Configuring Frame Relay and Subinterfaces | p. 526 |
| Configuring ISDN and BRI Interfaces | p. 528 |
| Practice Exam | p. 543 |
| Questions to the Practice Exam | p. 544 |
| Answers to the Practice Exam | p. 560 |
| Configuring the Catalyst 1900 Switch | p. 567 |
| Features of the 1900 Switch | p. 569 |
| The Three Configuration Options | p. 570 |
| Connecting to the Console Port | p. 570 |
| 1900 Switch Startup | p. 571 |
| Connecting to an Ethernet Port | p. 573 |
| Cisco 1900 IOS Configuration Commands | p. 573 |
| Setting the Passwords | p. 574 |
| Setting the Hostname | p. 578 |
| Setting IP Information | p. 579 |
| Configuring Switch Interfaces | p. 580 |
| Configuring Interface Descriptions | p. 583 |
| Configuring the Port Duplex | p. 585 |
| Verifying IP Connectivity | p. 586 |
| Erasing the Switch Configuration | p. 587 |
| Managing the MAC Address Table | p. 587 |
| Setting Permanent and Static MAC Addresses | p. 588 |
| Configuring Port Security | p. 592 |
| Using the Show Version Command | p. 592 |
| Changing the LAN Switch Type | p. 593 |
| Configuring VLANs | p. 594 |
| Assigning Switch Ports to VLANs | p. 596 |
| Configuring Trunk Ports | p. 598 |
| Clearing VLANs from Trunk Links | p. 599 |
| Verifying Trunk Links | p. 600 |
| Configuring ISL Routing | p. 601 |
| Configuring VTP | p. 602 |
| Configuring the Domain | p. 602 |
| Adding to a VTP Domain | p. 603 |
| VTP Pruning | p. 604 |
| Restoring or Upgrading the Catalyst 1900 IOS | p. 605 |
| Backing Up and Restoring the Catalyst 1900 Configuration | p. 605 |
| CDP with the 1900 Switch | p. 607 |
| Hands-on Labs | p. 613 |
| Managing the 1900 Switch | p. 613 |
| 1900 Switch Operations | p. 614 |
| Creating VLANs | p. 616 |
| Assigning VLANs to Switch Ports | p. 618 |
| Configuring Trunking | p. 620 |
| Configuring VTP | p. 621 |
| Configuring Inter-VLAN Routing with ISL | p. 622 |
| Commands in This Study Guide | p. 633 |
| Glossary | p. 649 |
| Index | p. 717 |
| Table of Contents provided by Syndetics. All Rights Reserved. |