Introductton 1
Chapter 1 Introduction to Internetworking 1
Internetworking Fundamentals 2
Evolution of Internetworking 3
Internetworks 4
LAN Devices 5
WAN Devices 8
The OSI Reference Model 9
The Layered Approach 10
The OSI Layers 13
Data Encapsulation 29
LAN Technologies 30
Ethernet and IEEE 802.3 31
Fiber Distributed Data Interface(FDDI) 33
Token Ring 35
ATM 37
Summary 40
Reveiew Questions 40
Chaprer 2 LAN Segmentation 45
Relieving Network Congestion 46
Segmentation with a Brldge 47
Segmentation with a Router 48
Segmentation with LAN Switches 49
Spanning-Tree-Protocol 52
VLAN(Virtual LAN) 54
Frame Tagging 54
Full- Duplex Ethernet Design 55
Half- Duplex Ethernet Design 55
Full-Duplex Ethernet 55
100BaseT Fast Ethernet 56
Advantages of Fast Ethernet 56
100BaseT Specifications 57
Summary 58
Review Questions 59
Charpter 3 Network Protocols 63
TCP/IP 64
Process/Application Layer Protocols 65
Host-to-Host Layer Protocols 68
Internet Layer Protocols 70
IP Address Resolution 73
Local Resolution 74
Remote Resolution 75
The ARP Cache 75
Novell IPX 77
Novell IPX Protocol Stack 77
Client-Server Communication 79
Server- Server Communication 80
IPX Addressing 81
Summary 82
Review Questions 82
Chapter 4 Pre-Design Procedures 87
Cisco s Smaill-to Medium-Sized Business Solutions Framework 89
Media Problems 90
Protocol Problems 90
Transport Problems 90
Administrative Data 91
The Current Network 91
Technical Data 92
Portray the Current Network 93
Evaluation of Needs and Expectations 97
Business Constraints 97
Security Requirements 98
Manageability Requirements 98
Application Requirements 98
Performance Requirements 99
Summary 99
Case Studies 100
Have-A-Seat 100
MPS Construction 101
Willow Creek School District 102
Review Questions 104
Chapter 5 Designing Network Topologies 111
Hierarchical Topologies 112
Benefits of Hierarchical Topologies 113
Three-Layer Hierarchical Model 115
Fault Tolerant Topologies 117
Redundant LAN Configurations 118
Redundant WAN Connections 121
Performance:Load Balancing 123
Secure Topologies 124
Three-Part Firewall 124
Summary 126
Have-A-Seat 127
MPS Construction 127
Case Studies 127
Willow Creek School District 128
Review Questions 128
Chapter 6 LAN/WAN Hardware Considerations 133
Switching versus Routing in Network Design 134
Catalyst Hardware 135
The Routing Process 139
Switching Modes of Routers in a Small-to Medium-Sized Network* Design 140
Choosing a Router Platform 144
Packet Flow-High-End Routers* 148
The Route Processor 150
WAN Design Considerations 150
Provisioning WAN Networks 151
Cisco Connection Services 152
WAN Protocols 154
Summary 164
Case Studies 164
Have-A-Seat 164
MPS Construction 165
Willow Creek School District 165
Review Questions 165
Chapter 7 Network Addressing and Narming 169
Network Addressing 170
Variable-Length Subnet Masks (VLSMs) 171
VLSM Design Considerations 175
Discontiguous Addressing 178
Route Summarization 185
Prlvate Addressing 187
Nework Address Translation(NAT) 188
Router and Server Addresses 190
DHCP/Client Addressing Issues 192
IPX Considerations 195
Network Naming Standards 195
Summary 196
Case Studies 197
Have-A-Seat 197
MPS Construction 197
Willow Creek School District 197
Review Questions 197
Chapter 8 Routing Protocols 203
Routing Protocols 205
Scalability Features of Routing Protocols 205
Scalability Limitations of Distance-Vector Protocols 206
Scalability Limitations of Link-State Protocols 207
Interlor Routing Protocols 208
Willow Creek School District 213
Review Questions 213
RIP(IP Routing Information Protocol) 215
IGRP(Interlor Gateway Routing Protocol) 216
IGRP Features 216
EIGRP(Enhanced IGRP) 221
EIGRP Features and Operation 221
Configuring EIGRP 226
Summary 230
Case Studies 231
Have-A-Seat 231
MPS Construction 231
Chapter 9 Link-State and Bridging Protocols 237
Features and Operation 239
OSPF Metrics 247
Configuring OSPF 248
Route Summarization 253
Stub Areas 253
Redistribution 254
OSPF Filtering Considerations 255
NLSP 255
Bridging Protocols 256
Transparent Bridging 257
Integrated Routing and Bridging 262
Source-Route Bridging 262
Source-Route Translational Bridging 263
Source-Route Transparent Bridging 263
Summary 264
Case Studies 264
Have-A-Seat 264
MPS Construction 265
Willow Creek School District 265
Review Questions 265
Chapter10 Cisco IOS Software 271
Access Lists 272
Proxy Services 276
IPX GNS Request 276
IPX Watchdog Spoofing 277
Proxy ARP 277
IP Helper Address 277
Encryption 278
Compression 278
Queuing Methods 279
FIFO Queuing 280
Weighted Fair Queuing 280
Priority Queuing 281
Custiom Queuing 282
Traffic Shaping 283
RSVP 284
Summary 285
Case Studies 285
Have-A-Seat 285
MPS Construction 285
Willow Creek School District 285
Review Questions 286
Chapter 11 Network Management 291
Benefits of Industry Standard Management Technologies 293
SNMP (Simple Network Management Protocol) 294
SNMP Functionality 295
SNMP Communications 295
RMON(Remote Monitoring) 296
Groups 296
Cisco Routers 297
Cisco Switches 297
Cisco RMON Stand-Alone Probes 298
Proactive Network Management 298
NOCs(Network Operation Centers) 299
Cisco Network Management Solutions 299
CiscoWorks 299
CWSI(CiscoWorks for Switched Internetworks) 300
CiscoView 301
TrafficDirector 301
NetSys 301
Cisco Hub/Ring Manager for Windows 302
CDP(Cisco Discovery Protocol) 302
Other Tools for Characterizing an Existing Internetwork 303
Summary 303
Case Studies 304
Have-A-Seat 304
MPS Construction 304
Willow Creek School District 304
Review Questions 305
Chaper 12 Post-Design Issues 309
Preparing a Design Document 310
Section 1: Executive Summary 311
Section 2: Design Requirements 311
Section 3: Design Solution 312
Section 4: Summary 313
Section 5: Appendices 313
Pilot or Prototype Implementation 313
Steps Required for a Pilot Implementation 314
Steps Required for a Prototype Implementation 315
Summary 317
Case Studies 318
Review Questions 318
Appendix A Answers to Review Questions 323
Appendix B Solutions to Case Studies 383
Appendix C Glossary 395