Acknowledgments | p. xi |
Introduction | p. xiii |
Cisco Overview | |
Cisco and the Internet | p. 3 |
Cisco's Position in the Computer Industry | p. 5 |
The Internet Landscape | p. 7 |
Cisco's Offerings | p. 18 |
Cisco Hardware Devices | p. 19 |
Cisco Solutions | p. 25 |
Networking Primer | p. 27 |
Bits and Bytes | p. 28 |
How Computers Understand Data | p. 28 |
OSI Reference Model | p. 32 |
The Seven-Layer Stack | p. 32 |
OSI Implementation by Layer | p. 34 |
Network Technologies | p. 37 |
Ethernet | p. 38 |
Token Ring | p. 40 |
ATM | p. 42 |
Gigabit Ethernet | p. 47 |
FDDI | p. 48 |
WAN Technologies | p. 50 |
Dial-in Technologies | p. 51 |
WAN Trunk Technologies | p. 54 |
TCP/IP | p. 56 |
TCP/IP Messaging | p. 58 |
The Transport Layer | p. 62 |
IP Addressing | p. 68 |
The IP Address Format | p. 69 |
IP Address Classes | p. 71 |
Private Addressing | p. 72 |
Subnetting | p. 73 |
Putting It All Together | p. 81 |
Cisco Certifications | p. 83 |
Certifications Overview | p. 85 |
Cisco Career Paths Overview | p. 85 |
Support vs. Design Disciplines | p. 87 |
The CCIE Pathway | p. 87 |
Routing and Switching Technology Track | p. 89 |
Support Certifications for Routing and Switching | p. 90 |
Design Certifications for Routing and Switching | p. 92 |
Routing and Switching CCIE | p. 97 |
WAN Switching Technology Track | p. 99 |
Support Certifications for WAN Switching | p. 99 |
Design Certification for WAN Switching | p. 104 |
WAN Switching CCIE | p. 105 |
ISP Dial CCIE | p. 105 |
Career Specializations | p. 107 |
Security Certification | p. 108 |
Network Management Certification | p. 108 |
LAN ATM Certification | p. 110 |
Voice Access Certification | p. 112 |
SNA/IP Integration Certification (for CCNPs) | p. 112 |
SNA/IP Network Management Certification | p. 115 |
SNA/IP Integration Certification (for CCDPs) | p. 116 |
Cisco Internetworking Tools | |
Router Overview | p. 121 |
Communicating with a Router | p. 123 |
The Console Port | p. 125 |
The Auxiliary Port | p. 126 |
Telnet | p. 126 |
The HTTP Server User Interface | p. 128 |
Router Security | p. 129 |
Router Passwords | p. 130 |
Router Hardware | p. 133 |
Router Memory | p. 134 |
Router Ports and Modules | p. 136 |
Essential Files | p. 140 |
IOS: The Internetwork Operating System | p. 140 |
The Configuration File | p. 147 |
Password Recovery | p. 149 |
Recovering Enable Passwords | p. 149 |
Recovering Passwords from Older Cisco Routers | p. 154 |
Configuring Routers | p. 155 |
The Configuration File's Central Role | p. 156 |
Three Types of Cisco Router Files | p. 157 |
Getting Started with Cisco Routers | p. 160 |
Communicating with IOS | p. 160 |
Using IOS Commands | p. 161 |
Overview of Router Modes | p. 167 |
Essential Router Commands | p. 170 |
Step-by-Step Router Configuration | p. 172 |
Setup Mode | p. 173 |
Giving a Router an Identity | p. 177 |
Examining Device Status | p. 179 |
Cisco Discovery Protocol | p. 180 |
Using Applications to Help Configure Routers | p. 182 |
ConfigMaker | p. 183 |
Fast Step | p. 189 |
Switches and Hubs | p. 197 |
Network Topologies | p. 198 |
The Importance of Network Domains | p. 202 |
Cabling Defines Network Speed and Distance | p. 206 |
What Hubs and Switches Do, and How They Differ | p. 213 |
Picking the Right Tool | p. 216 |
Cisco Hubs | p. 217 |
Cisco Hub Basics | p. 217 |
Cisco Hub Products | p. 221 |
Configuring and Managing Cisco Hubs | p. 221 |
Cisco Switches | p. 224 |
How an Individual Switch Works | p. 225 |
Switched Networking Basics | p. 227 |
Designing Switched Internetworks | p. 228 |
VLANs | p. 233 |
Cisco's Switched Network Products | p. 234 |
Configuring and Managing Cisco Switches | p. 235 |
Internet Access Products | p. 241 |
Firewalls | p. 243 |
Firewall Basics | p. 244 |
How Firewalls Work | p. 247 |
The IOS Firewall Feature Set | p. 256 |
The Cisco PIX Firewall | p. 265 |
Virtual Private Networks (VPNs) | p. 271 |
What Composes a VPN | p. 272 |
Why Most WANs Will Soon Be VPNs | p. 274 |
Access Servers | p. 275 |
Designing Cisco Networks | |
Routing Protocols | p. 283 |
Overview of Routing Protocols | p. 284 |
Routing Protocol Basics | p. 285 |
Routing Protocol Architectures | p. 304 |
How Routing Protocols Are Implemented | p. 308 |
Overview of Cisco Routing Protocols | p. 313 |
Cisco's Interior Gateway Routing Protocol (IGRP) | p. 315 |
Configuring RIP 2 | p. 320 |
Configuring Open Shortest Path First (OSPF) | p. 321 |
Border Gateway Protocol (BGP) | p. 323 |
Cisco's Routing Protocol Strategy | p. 325 |
Network Management | p. 327 |
Overview of Network Management | p. 328 |
The Evolution of Management Tools | p. 330 |
Network Management Tools Today | p. 332 |
Trends in Enterprise System Management | p. 335 |
SNMP Is IP's Common Management Platform | p. 337 |
What Is SNMP? | p. 337 |
SNMP Polling and Managed Objects | p. 339 |
The MIB | p. 339 |
Polling Groups and Data Aggregation | p. 346 |
SNMP Commands | p. 349 |
Thresholds | p. 349 |
Events and Traps | p. 350 |
Rmon: Hardware Probes for Switched Networks | p. 352 |
Trends in Network Management Technology | p. 356 |
Cisco's SNMP and RMON Implementations | p. 358 |
CiscoWorks2000 | p. 363 |
CiscoWorks2000 Overview | p. 364 |
CiscoWorks2000 Resource Manager Essentials | p. 365 |
CiscoView: The Tool for Managing Individual Devices | p. 369 |
Resource Manager Essentials Applications | p. 378 |
CiscoWorks Switch Internetworks (CWSI) | p. 383 |
NetSys Baseliner | p. 388 |
Cisco Security | p. 393 |
Overview of Network Security | p. 396 |
Traffic-Based Security | p. 396 |
User-Based Security | p. 398 |
Authentication, Authorization, and Accounting (AAA) | p. 401 |
Overview of the AAA Model | p. 402 |
How AAA Works | p. 409 |
CiscoSecure ACS | p. 429 |
CiscoSecure ACS Architecture | p. 429 |
Using the CiscoSecure ACS | p. 432 |
Dynamic Access Lists | p. 444 |
Lock-and-Key Using a Local User Database | p. 445 |
Building Cisco Networks | p. 447 |
Internetwork Design Basics | p. 448 |
Internetworking Basics Reviewed | p. 448 |
The Three-Layer Hierarchical Design Model | p. 455 |
Design Methods | p. 462 |
Designing to Fit Needs | p. 466 |
Understanding Existing Internetworks | p. 468 |
Characterizing Networks | p. 469 |
Cisco Network Designs | p. 475 |
Logical Network Design | p. 475 |
Campus Network Designs | p. 480 |
Troubleshooting Cisco Networks | p. 497 |
The Mechanics of Network Troubleshooting | p. 498 |
Network Troubleshooting Methods | p. 499 |
Troubleshooting Host IP Configuration | p. 502 |
Isolating Connectivity Problems | p. 506 |
Troubleshooting WAN Links | p. 520 |
Troubleshooting Cisco Hardware | p. 526 |
Inspecting Devices | p. 526 |
The Reboot Test | p. 527 |
Configuring Switches and Hubs | p. 529 |
Visual Switch Manager | p. 531 |
Visual Switch Manager Software | p. 531 |
The Visual Switch Manager Home Page | p. 532 |
The Interactive Device Graphic in Visual Switch Manager | p. 533 |
Network View | p. 534 |
Switch Port Configuration | p. 535 |
Port Grouping | p. 536 |
Port Monitoring (SPAN) | p. 537 |
Flooding Controls/Network Port | p. 538 |
System Configuration | p. 539 |
IP Management | p. 540 |
SNMP Configuration | p. 541 |
ARP Table | p. 542 |
Address Management | p. 543 |
Port Security | p. 544 |
Cisco Discovery Protocol | p. 545 |
Cisco Group Multicast Protocol | p. 546 |
Spanning-Tree Protocol | p. 547 |
VLAN Membership | p. 548 |
VTP Management | p. 549 |
VMPS Configuration | p. 550 |
VTP/VQP Statistics | p. 551 |
Logging Configuration | p. 552 |
Hub Management Consoles | p. 553 |
Hub Management Console Main Menu | p. 553 |
Console Password Screen | p. 554 |
Console Port Screen | p. 555 |
Firmware Screen | p. 556 |
System Screen | p. 557 |
IP Configuration Screen | p. 558 |
SNMP Management Screen | p. 559 |
Port Configuration Screen | p. 560 |
Unit Configuration Screen | p. 561 |
Port Statistics Report | p. 562 |
Unit Statistics Report | p. 563 |
RMON Statistics Report | p. 564 |
Unit Addressing Report | p. 565 |
Index | p. 567 |
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