Here are all the CCNA-level Routing and Switching commands you need in one condensed, portable resource. The CCNA Routing and Switching Portable Command Guide, Third Edition, is filled with valuable, easy-to-access information and is portable enough for use whether you’re in the server room or the equipment closet.   The guide summarizes all CCNA certification-level Cisco IOS® Software commands, keywords, command arguments, and associated prompts, providing you with tips and examples of how to apply the commands to real-world scenarios. Configuration examples throughout the book provide you with a better understanding of how these commands are used in simple network designs.   This book has been completely updated to cover topics in the ICND1 100-101, ICND2 200-101, and CCNA 200-120 exams. Use this quick reference resource to help you memorize commands and concepts as you work to pass the CCNA Routing and Switching certification exam.   The book is organized into these parts: • Part I TCP/IP v4 • Part II Introduction to Cisco Devices • Part III Configuring a Router • Part IV Routing • Part V Switching • Part VI Layer 3 Redundancy • Part VII IPv6 • Part VIII Network Administration and Troubleshooting • Part IX Managing IP Services • Part X WANs • Part XI Network Security   Quick, offline access to all CCNA Routing and Switching commands for research and solutions Logical how-to topic groupings for a one-stop resource Great for review before CCNA Routing and Switching certification exams Compact size makes it easy to carry with you, wherever you go “Create Your Own Journal” section with blank, lined pages allows you to personalize the book for your needs “What Do You Want to Do?” chart inside back cover helps you to quickly reference specific tasks    

Table of Contents:
Introduction xx Part I TCP/IP v4 CHAPTER 1 How to Subnet 1 Class A–E Addresses 1 Converting Between Decimal Numbers and Binary 2 Subnetting a Class C Network Using Binary 2 Subnetting a Class B Network Using Binary 5 Binary ANDing 9   So Why AND? 10   Shortcuts in Binary ANDing 11 The Enhanced Bob Maneuver for Subnetting (or How to Subnet Anything in Under a Minute) 12 CHAPTER 2 VLSM 15 IP Subnet Zero 15 VLSM Example 16   Step 1 Determine How Many H Bits Will Be Needed to Satisfy the Largest Network 16   Step 2 Pick a Subnet for the Largest Network to Use 17   Step 3 Pick the Next Largest Network to Work With 18   Step 4 Pick the Third Largest Network to Work With 20   Step 5 Determine Network Numbers for Serial Links 21 CHAPTER 3 Route Summarization 25 Example for Understanding Route Summarization 25   Step 1: Summarize Winnipeg’s Routes 26   Step 2: Summarize Calgary’s Routes 27   Step 3: Summarize Edmonton’s Routes 27   Step 4: Summarize Vancouver’s Routes 28 Route Summarization and Route Flapping 30 Requirements for Route Summarization 30 Part II Introduction to Cisco Devices CHAPTER 4 Cables and Connections 31 Connecting a Rollover Cable to Your Router or Switch 31 Using a USB Cable to Connect to Your Router or Switch 31 Terminal Settings 32 LAN Connections 33 Serial Cable Types 33 Which Cable to Use? 35 568A Versus 568B Cables 35 CHAPTER 5 The Command Line Interface 37 Shortcuts for Entering Commands 37 Using the † Key to Complete Commands 37 Console Error Messages 38 Using the Question Mark for Help 38 enable Command 39 exit Command 39 disable Command 39 logout Command 39 Setup Mode 39 Keyboard Help 40 History Commands 41 terminal Commands 41 show Commands 42 Using the Pipe Parameter (|) with the show Command 42 Part III Confi guring a Router CHAPTER 6 Confi guring a Single Cisco Router 45 Router Modes 45     Entering Global Configuration Mode 46 Configuring a Router Name 46 Configuring Passwords 46 Password Encryption 47 Interface Names 47 Moving Between Interfaces 50 Configuring a Serial Interface 50 Configuring a Fast Ethernet Interface 51 Configuring a Gigabit Ethernet Interface 51 Creating a Message-of-the-Day Banner 51 Creating a Login Banner 51 Setting the Clock Time Zone 52 Assigning a Local Host Name to an IP Address 52 The no ip domain-lookup Command 52 The logging synchronous Command 52 The exec-timeout Command 53 Saving Configurations 53 Erasing Configurations 53 show Commands 53 EXEC Commands in Configuration Mode: The do Command 54 Configuration Example: Basic Router Configuration 54   Boston Router 55 Part IV Routing CHAPTER 7 Static Routing 57 Configuring a Static Route on a Router 57 The permanent Keyword (Optional) 58 Static Routes and Administrative Distance (Optional) 58 Configuring a Default Route on a Router 59 Verifying Static Routes 59 Configuration Example: Static Routes 60   Boston Router 60   Buffalo Router 61   Bangor Router 61 CHAPTER 8 EIGRP 63 Configuring Enhanced Interior Gateway Routing Protocol (EIGRP) 63 EIGRP Auto-Summarization 65 EIGRP Manual Summarization 65 Passive EIGRP Interfaces 65 Equal-Cost Load Balancing: Maximum Paths 66 Unequal-Cost Load Balancing: Variance 66 Bandwidth Use 67 Authentication 67 Verifying EIGRP 68 Troubleshooting EIGRP 69 Configuration Example: EIGRP 69   Austin Router 70   Houston Router 71 CHAPTER 9 Single-Area OSPF 73 Configuring OSPF 73 Using Wildcard Masks with OSPF Areas 74 Loopback Interfaces 75   Router ID 75 DR/BDR Elections 76 Modifying Cost Metrics 76 OSPF auto-cost reference-bandwidth 77 Authentication: Simple 77 Authentication: Using MD5 Encryption 78 Timers 78 Propagating a Default Route 78 Verifying OSPF Configuration 79 Troubleshooting OSPF 79 Configuration Example: Single Area OSPF 80   Austin Router 80   Houston Router 81   Galveston Router 82 CHAPTER 10 Multi-Area OSPF 83 Configuring Multi-Area OSPF 83 Passive Interfaces 84   Route Summarization 84 Configuration Example: Multi-Area OSPF 85   ASBR Router 86   ABR-1 Router 87   ABR-2 Router 88   Internal Router 89 Part V Switching CHAPTER 11 Confi guring a Switch 91 Help Commands 91 Command Modes 91 Verifying Commands 92 Resetting Switch Configuration 92 Setting Host Names 92 Setting Passwords 93 Setting IP Addresses and Default Gateways 93 Setting Interface Descriptions 94 The mdix auto Command 94 Setting Duplex Operation 95 Setting Operation Speed 95 Managing the MAC Address Table 95 Configuring Static MAC Addresses 95 Switch Port Security 96 Verifying Switch Port Security 96 Sticky MAC Addresses 97 Configuration Example 97 CHAPTER 12 VLANs 101 Creating Static VLANs 101   Using VLAN Configuration Mode 101   Using VLAN Database Mode 102 Assigning Ports to VLANs 102 Using the range Command 103 Verifying VLAN Information 103 Saving VLAN Configurations 103 Erasing VLAN Configurations 104 Configuration Example: VLANs 104 CHAPTER 13 VLAN Trunking Protocol and Inter-VLAN Communication 107 Dynamic Trunking Protocol 107 Dynamic Trunking Protocol (DTP) 108 Setting the Encapsulation Type 108 VLAN Trunking Protocol (VTP) 109 Verifying VTP 110   Inter-VLAN Communication Using an External Router: Router-on-a-Stick 110 Inter-VLAN Communication on a Multilayer Switch Through a Switch Virtual Interface 111   Removing L2 Switchport Capability of a Switch Port 111   Configuring Inter-VLAN Communication 111 Inter-VLAN Communication Tips 112 Configuration Example: Inter-VLAN Communication 112   ISP Router 113   CORP Router 114   L2Switch2 (Catalyst 2960) 116   L3Switch1 (Catalyst 3560) 118   L2Switch1 (Catalyst 2960) 119 CHAPTER 14 Spanning Tree Protocol and EtherChannel 121 Spanning Tree Protocol 121   Enabling Spanning Tree Protocol 121   Configuring the Root Switch 122   Configuring a Secondary Root Switch 122   Configuring Port Priority 123   Configuring the Path Cost 123   Configuring the Switch Priority of a VLAN 123   Configuring STP Timers 124   Verifying STP 124   Optional STP Configurations 125   Changing the Spanning-Tree Mode 126   Extended System ID 126   Enabling Rapid Spanning Tree 127   Troubleshooting Spanning Tree 127   Configuration Example: STP 127 EtherChannel 129   Interface Modes in EtherChannel 130   Guidelines for Configuring EtherChannel 130   Configuring Layer 2 EtherChannel 131   Verifying EtherChannel 131   Configuration Example: EtherChannel 132 Part VI Layer 3 Redundancy CHAPTER 15 HSRP and GLBP 137 Hot Standby Router Protocol 137 Configuring HSRP on a Router 138 Configuring HSRP on an L3 Switch 138 Default HSRP Configuration Settings 139 Verifying HSRP 139 HSRP Optimization Options 139   Preempt 140   HSRP Message Timers 140   Interface Tracking 141 Multiple HSRP 141 Debugging HSRP 142 Virtual Router Redundancy Protocol 143 Configuring VRRP 143 Verifying VRRP 144 Debugging VRRP 145 Gateway Load Balancing Protocol 145   Configuring GLBP 145 Verifying GLBP 147 Debugging GLBP 148 Configuration Example: GLBP 148   DLS1 149   DLS2 150 Part VII IPv6 CHAPTER 16 IPv6 153 Assigning IPv6 Addresses to Interfaces 153 IPv6 and RIPng 154 Configuration Example: IPv6 RIP 155   Austin Router 155 IPv6 Tunnels: Manual Overlay Tunnel 157   Juneau Router 157   Fairbanks Router 158 Static Routes in IPv6 159 Floating Static Routes in IPv6 160 Default Routes in IPv6 160 Verifying and Troubleshooting IPv6 160 IPv6 Ping 162 IPv6 Traceroute 162 CHAPTER 17 OSPFv3 163 IPv6 and OSPFv3 163 Enabling OSPF for IPv6 on an Interface 163 Enabling an OSPF for IPv6 Area Range 164 Enabling an IPv4 Router ID for OSPFv3 165 Forcing an SPF Calculation 165 Verifying and Troubleshooting IPv6 and OSPFv3 165 Configuration Example: OSPFv3 166 R3 Router 166 R2 Router 167 R1 Router 168 R4 Router 169 CHAPTER 18 EIGRP for IPv6 171 IPv6 and EIGRP 171   Enabling EIGRP for IPv6 on an Interface 171 Configuring the Percentage of Link Bandwidth Used by EIGRP 172 Configuring Summary Addresses 172 Configuring EIGRP Route Authentication 172 Configuring EIGRP Timers 172 Logging EIGRP Neighbor Adjacency Changes 173 Adjusting the EIGRP for IPv6 Metric Weights 173 Verifying and Troubleshooting EIGRP for IPv6 173 Configuration Example: EIGRP for IPv6 174 R3 Router 174 R2 Router 175 R1 Router 176 Part VIII Network Administration and Troubleshooting CHAPTER 19 Backing Up and Restoring Cisco IOS Software and Confi gurations 177 Boot System Commands 177 The Cisco IOS File System 178 Viewing the Cisco IOS File System 178 Commonly Used URL Prefixes for Cisco Network Devices 178 Deciphering IOS Image Filenames 179 Backing Up Configurations to a TFTP Server 180 Restoring Configurations from a TFTP Server 180 Backing Up the Cisco IOS Software to a TFTP Server 181 Restoring/Upgrading the Cisco IOS Software from a TFTP Server 181 Restoring the Cisco IOS Software from ROM Monitor Mode Using Xmodem 182 Restoring the Cisco IOS Software Using the ROM Monitor Environmental Variables and tftpdnld Command 184 CHAPTER 20 Password-Recovery Procedures and the Confi guration Register 187 The Configuration Register 187   A Visual Representation 187   What the Bits Mean 187   The Boot Field 188   Console Terminal Baud Rate Settings 188   Changing the Console Line Speed: CLI 189   Changing the Console Line Speed: ROM Monitor Mode 189 Password-Recovery Procedures for Cisco Routers 190 Password Recovery for 2960 Series Switches 191 CHAPTER 21 Cisco Discovery Protocol (CDP) 193 Cisco Discovery Protocol 193 CHAPTER 22 Remote Connectivity Using Telnet or SSH 195 Configuring a Device to Accept a Remote Telnet Connection 195 Using Telnet to Remotely Connect to Other Devices 196 Verifying Telnet 197 Configuring the Secure Shell Protocol (SSH) 197 Verifying SSH 198 CHAPTER 23 Verifying End-to-End Connectivity 199 ICMP Redirect Messages 199 The ping Command 199 Examples of Using the ping and the Extended ping Commands 200 The traceroute Command 201 CHAPTER 24 Confi guring Network Management Protocols 203 Configuring SNMP 203 Configuring Syslog 204 Syslog Message Format 204 Syslog Severity Levels 205 Syslog Message Example 205 Configuring NetFlow 206 Verifying NetFlow 206 CHAPTER 25 Basic Troubleshooting 207 Viewing the Routing Table 207 Clearing the Routing Table 208 Determining the Gateway of Last Resort 208 Determining the Last Routing Update 208 OSI Layer 3 Testing 208 OSI Layer 7 Testing 209 Interpreting the show interface Command 209 Clearing Interface Counters 209 Using CDP to Troubleshoot 209 The traceroute Command 209 The show controllers Command 210 debug Commands 210 Using Time Stamps 210 Operating System IP Verification Commands 211 The ip http server Command 211 The netstat Command 211 The arp Command 211 CHAPTER 26 Cisco IOS Licensing 213 Cisco Licensing Earlier Than IOS 15.0 213 Cisco Licensing for the ISR G2 Platforms: IOS 15.0 and Later 215 Verifying Licenses 215 Cisco License Manager 215 Installing a Permanent License 216 Installing an Evaluation License 217 Backing Up a License 217 Uninstalling a License 217 Part IX Managing IP Services CHAPTER 27 Network Address Translation 219     Configuring Dynamic NAT: One Private to One Public Address Translation 219 Configuring PAT: Many Private to One Public Address Translation 221 Configuring Static NAT: One Private to One Permanent Public Address Translation 222 Verifying NAT and PAT Configurations 223 Troubleshooting NAT and PAT Configurations 224 Configuration Example: PAT 224   ISP Router 224   Company Router 225 CHAPTER 28 Dynamic Host Confi guration Protocol (DHCP) 227 Configuring a DHCP Server on an IOS Router 227 Verifying and Troubleshooting DHCP Configuration 228 Configuring a DHCP Helper Address 228 DHCP Client on a Cisco IOS Software Ethernet Interface 229 Configuration Example: DHCP 229   Edmonton Router 229   Gibbons Router 231 Part X WANs CHAPTER 29 Confi guring Serial Encapsulation: HDLC and PPP 233 Configuring HDLC Encapsulation on a Serial Line 233 Configuring Point-to-Point Protocol (PPP) on a Serial Line (Mandatory Commands) 233 Configuring PPP on a Serial Line (Optional Commands): Compression 234 Configuring PPP on a Serial Line (Optional Commands): Link Quality 234 Configuring PPP on a Serial Line (Optional Commands): Multilink 234 Configuring PPP on a Serial Line (Optional Commands): Authentication 234 Verifying and Troubleshooting a Serial Link/PPP Encapsulation 235 Configuration Example: PPP with CHAP Authentication 236 Boston Router 236 Buffalo Router 237 CHAPTER 30 Establishing WAN Connectivity Using Frame Relay 239 Configuring Frame Relay 239   Setting the Frame Relay Encapsulation Type 239   Setting the Frame Relay Encapsulation LMI Type 239   Setting the Frame Relay DLCI Number 240   Configuring a Frame Relay map Statement 240   Configuring a Description of the Interface (Optional) 240   Configuring Frame Relay Using Subinterfaces 240 Verifying Frame Relay 241 Troubleshooting Frame Relay 242 Configuration Example: Point-to-Point Frame Relay Using Subinterfaces and OSPF 242   Houston Router 242   Austin Router 244   Galveston Router 244   Laredo Router 245 Configuration Example: Point-to-Multipoint Frame Relay Using Subinterfaces and EIGRP 246   R1 Router 246   R2 Router 247   R3 Router 248 CHAPTER 31 Confi guring Generic Routing Encapsulation (GRE) Tunnels 249 Configuring a GRE Tunnel 249   Branch Router 249   HQ Router 250 Verifying a GRE Tunnel 250 CHAPTER 32 Confi guring Point-to-Point Protocol over Ethernet (PPPoE) 251 Configuring a DSL Connection using PPPoE 251   Step 1: Configure PPPoE (External Modem) 252   Step 2: Configure the Dialer Interface 253   Step 3: Define Interesting Traffic and Specify Default Routing 253      Step 4: Configure NAT Using an ACL 254   Step 5: Configure NAT Using a Route Map 254   Step 6: Configure DHCP Service 255   Step 7: Apply NAT Programming 255   Step 8: Verify a PPPoE Connection 255 Part XI Network Security CHAPTER 33 Managing Traffi c Using Access Control Lists (ACL) 257 Access List Numbers 257 Using Wildcard Masks 258 ACL Keywords 258 Creating Standard ACLs 259 Applying Standard ACLs to an Interface 260 Verifying ACLs 260 Removing ACLs 260 Creating Extended ACLs 261 Applying Extended ACLs to an Interface 262 The established Keyword (Optional) 262 Creating Named ACLs 262 Using Sequence Numbers in Named ACLs 263 Removing Specific Lines in Named ACLs Using Sequence Numbers 264 Sequence Number Tips 264 Including Comments About Entries in ACLs 265 Restricting Virtual Terminal Access 265 Tips for Configuring ACLs 266 ACLs and IPv6 266 Configuration Examples: ACLs 267 Part XII Appendixes APPENDIX A Binary/Hex/Decimal Conversion Chart 271 APPENDIX B Create Your Own Journal Here 279 9781587204302, TOC, 5/28/2013