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