Cisco Networking Essentials

TCP 72Reviewing UDP 76Exploring Internet Layer Protocols 77Describing IP 77Describing ARP 79Describing ICMP 80Describing IGMP 82Exploring Network Access Layer Protocols 83Defining Network Access Layer Protocols on the LAN 84Defining Network Access Layer Protocols on the WAN 85The Essentials and Beyond 86Chapter 5 Physical and Logical Topologies 89Designing the Physical Topology 89Implementing a Bus Topology 90Implementing a Ring Topology 91Implementing a Star Topology 92Implementing a Mesh Topology 94Implementing a Hybrid Topology 95Implementing a Point-to-Point Topology 96Implementing a Point-to-Multipoint Topology 98Designing the Logical Topology 99Understanding the Token Ring Topology 99Understanding the FDDI Ring Topology 100Understanding the Star Topology 101The Essentials and Beyond 102Chapter 6 Numbering Systems 105Exploring Binary Numbering 105Understanding the Base-2 Numbering System 106Understanding the Relationship between Binary and Computers 108Exploring Hexadecimal Numbering 110Understanding the Base-16 Numbering System 110Identifying MAC Addresses 113Applying Conversions 114Decimal-to-Binary Conversion 114Hex-to-Decimal Conversion 117Binary-to-Hex Conversion 119The Essentials and Beyond 121Chapter 7 Classful IP Addressing 125Describing the Function of IP Addresses 125Identification 126Segmentation 127Identifying IP Address Types 128Defining IP Address Classes 129Identifying Network and Host Addresses 130Describing Private IP Addresses and NAT 134Utilizing Diagnostic Tools 135Executing the ipconfig Command 137Executing the ping Command 137Executing the arp Command 138Executing the traceroute Command 139Understanding DHCP 139Operations 139Cisco DHCP 141Introducing IPv6 142IPv6 Address Format 142IPv6 Address Types 143Special IPv6 Addresses 144Essentials and Beyond 144Chapter 8 Classless IP Addressing 147Understanding the Limitations of Classful Networking 147Exhaustion of the Class B Network Address Space 148Unmanageable Routing Tables 148Exhaustion of the 32-Bit IPv4 Address Space 149Understanding the Benefits of Subnetting 149Identifying Sources of Network Congestion 150Deploying Subnetting as a Segmentation Tool 151Describing the Components of CIDR 152Introducing Classless Subnetting 152Understanding VLSM 161Summarization 166The Essentials and Beyond 166Chapter 9 Media 169Selecting the Proper Media Type 169Bandwidth 170Security 170Convenience 174Cost 174Understanding Cabling 175Describing Cable Behavior and Characteristics 175Describing Physical Implementations 176Choosing the Correct Wiring Standard 180Describing Wireless Standards 184Identifying Standards Bodies 185Understanding 802.11 Amendments 185Understanding Wireless LAN Components and Terminology 187Describing CSMA/CA Operation 189The Essentials and Beyond 190Chapter 10 Network Devices 193Describing Device Functions 193Understanding Repeaters 194Understanding Hubs 194Understanding Bridges 195Understanding Switches 197Understanding Routers 201Understanding Wireless Access Points and Wireless Routers 205Understanding Device Placement Principles 207Defining Broadcast Domains 207Defining Collision Domains 208Understanding the Cisco Three-Layer Model 211Essentials and Beyond 212Chapter 11 LAN Operations 215Understanding the Routing Process 215Describing Routing Tables 216Understanding Population Methods 219Understanding Administrative Distance 221Using Routing Protocols 223Describing the Switching Process 232Reviewing MAC and IP Addresses 233Reviewing Contention Methods 234Describing MAC Address Tables 235Understanding Frame Forwarding 236Describing End-to-End Communications 237Understanding the Local LAN Process 237Understanding the Remote Communication Process 238Essentials and Beyond 239Chapter 12 Managing the Cisco IOS 243Describing Components 243Defining the Contents of RAM 244Defining the Contents of NVRAM 245Defining the Contents of Flash 245Defining the Contents of ROM 246Describing IOS Navigation 248Connecting to the Device 248Accessing User, Privileged, and Global Configuration Modes 252Understanding and Managing the Boot Process 256Understanding the Boot Process 257Managing the IOS 260Understanding Configuration Files 261Managing the Configuration Register 263The Essentials and Beyond 266Chapter 13 Configuring Routers 271Cabling the Router 271Cabling Router to Router 274Cabling Router to Switch 276Cabling PC to Router 277Cabling Router to CSU/DSU 279Creating a Console Session 280Connecting with the Console Cable 280Connecting through Telnet 281Handling Initial Setup 282Configuring Passwords 282Interpreting Prompts 282Configuring Privileged (Enable) Passwords 283Configuring Enable Secret Passwords 284Configuring Line Passwords 284Configuring Interfaces 286Accessing Interface Mode 286Assigning an IP Address 287Enabling the Interface 288Verifying the Interface 288Enabling DHCP 290Configuring WAN Interfaces 292Saving Configuration Changes 294The Essentials and Beyond 295Chapter 14 Conf iguring Switches 299Cabling the Switch 299Cabling Switch to Switch 300Cabling Router to Switch 301Cabling Hosts to Switch 302Creating a Session with the Switch 302Creating a Session with the Console Cable 303Creating a Session through Telnet 304Configuring Passwords 305Configuring Privileged (Enable) Passwords 305Configuring Enable Secret Passwords 306Configuring Line Passwords 306Configuring Interfaces 306Accessing Switchports and Using Switchport Mode 306Enabling the Port 307Verifying the Port 307Understanding Advanced Switch Functions 308Understanding VLANs 308Understanding Trunk Ports 310Describing STP 311The Essentials and Beyond 315Chapter 15 Conf iguring Static Routing 317Populating the Routing Table 318Using the ip route Command 318Verifying the Route Table 320Configuring Inter-VLAN Routing 321Creating a Trunk Link with Encapsulation 322Creating and Configuring Subinterfaces 323The Essentials and Beyond 325Chapter 16 Configuring Dynamic Routing 331Understanding Routing Protocols 331Exploring RIP 333Exploring EIGRP 335Exploring OSPF 336Configuring Routing Protocols 336Enabling a Routing Protocol and Accessing Router Mode 337Defining the Interfaces on Which the Protocol Is Operational 338Verifying the Routing Table 340Appendix Answers to Review Questions 349Index 359