CCNA Routing and Switching Portable Command Guide by Empson, Scott -- Read -- Imperial Library of Trantor

Index

About This eBook Title Page Copyright Page About the Author About the Technical Reviewer Dedications Acknowledgments Contents at a Glance Table of Contents Command Syntax Conventions Introduction

Networking Devices Used in the Preparation of This Book Private Addressing Used in this Book Who Should Read This Book Optional Sections Organization of This Book Did I Miss Anything?

Part I: TCP/IP v4

Chapter 1. How to Subnet

Class A–E Addresses Converting Between Decimal Numbers and Binary Subnetting a Class C Network Using Binary Subnetting a Class B Network Using Binary Binary ANDing The Enhanced Bob Maneuver for Subnetting (or How to Subnet Anything in Under a Minute)

Chapter 2. VLSM

IP Subnet Zero VLSM Example

Chapter 3. Route Summarization

Example for Understanding Route Summarization Route Summarization and Route Flapping Requirements for Route Summarization

Part II: Introduction to Cisco Devices

Chapter 4. Cables and Connections

Connecting a Rollover Cable to Your Router or Switch Using a USB Cable to Connect to Your Router or Switch Terminal Settings LAN Connections Serial Cable Types Which Cable to Use? 568A Versus 568B Cables

Chapter 5. The Command Line Interface

Shortcuts for Entering Commands Using the Key to Complete Commands Console Error Messages Using the Question Mark for Help enable Command exit Command disable Command logout Command Setup Mode Keyboard Help History Commands terminal Commands show Commands Using the Pipe Parameter (|) with the show Command

Part III: Configuring a Router

Chapter 6. Configuring a Single Cisco Router

Router Modes Entering Global Configuration Mode Configuring a Router Name Configuring Passwords Password Encryption Interface Names Moving Between Interfaces Configuring a Serial Interface Configuring a Fast Ethernet Interface Configuring a Gigabit Ethernet Interface Creating a Message-of-the-Day Banner Creating a Login Banner Setting the Clock Time Zone Assigning a Local Host Name to an IP Address The no ip domain-lookup Command The logging synchronous Command The exec-timeout Command Saving Configurations Erasing Configurations show Commands EXEC Commands in Configuration Mode: The do Command Configuration Example: Basic Router Configuration

Part IV: Routing

Chapter 7. Static Routing

Configuring a Static Route on a Router The permanent Keyword (Optional) Static Routes and Administrative Distance (Optional) Configuring a Default Route on a Router Verifying Static Routes Configuration Example: Static Routes

Chapter 8. EIGRP

Configuring Enhanced Interior Gateway Routing Protocol (EIGRP) EIGRP Auto-Summarization EIGRP Manual Summarization Passive EIGRP Interfaces Equal-Cost Load Balancing: Maximum Paths Unequal-Cost Load Balancing: Variance Bandwidth Use Authentication Verifying EIGRP Troubleshooting EIGRP Configuration Example: EIGRP

Chapter 9. Single-Area OSPF

Configuring OSPF Using Wildcard Masks with OSPF Areas Loopback Interfaces DR/BDR Elections Modifying Cost Metrics OSPF auto-cost reference-bandwidth Authentication: Simple Authentication: Using MD5 Encryption Timers Propagating a Default Route Verifying OSPF Configuration Troubleshooting OSPF Configuration Example: Single Area OSPF

Chapter 10. Multi-Area OSPF

Configuring Multi-Area OSPF Passive Interfaces Configuration Example: Multi-Area OSPF

Part V: Switching

Chapter 11. Configuring a Switch

Help Commands Command Modes Verifying Commands Resetting Switch Configuration Setting Host Names Setting Passwords Setting IP Addresses and Default Gateways Setting Interface Descriptions The mdix auto Command Setting Duplex Operation Setting Operation Speed Managing the MAC Address Table Configuring Static MAC Addresses Switch Port Security Verifying Switch Port Security Sticky MAC Addresses Configuration Example

Chapter 12. VLANs

Creating Static VLANs Assigning Ports to VLANs Using the range Command Verifying VLAN Information Saving VLAN Configurations Erasing VLAN Configurations Configuration Example: VLANs

Chapter 13. VLAN Trunking Protocol and Inter-VLAN Communication

Dynamic Trunking Protocol Dynamic Trunking Protocol (DTP) Setting the Encapsulation Type VLAN Trunking Protocol (VTP) Verifying VTP Inter-VLAN Communication Using an External Router: Router-on-a-Stick Inter-VLAN Communication on a Multilayer Switch Through a Switch Virtual Interface Inter-VLAN Communication Tips Configuration Example: Inter-VLAN Communication

Chapter 14. Spanning Tree Protocol and EtherChannel

Spanning Tree Protocol EtherChannel

Part VI: Layer Redundancy

Chapter 15. HSRP and GLBP

Hot Standby Router Protocol Configuring HSRP on a Router Configuring HSRP on an L3 Switch Default HSRP Configuration Settings Verifying HSRP HSRP Optimization Options Multiple HSRP Debugging HSRP Virtual Router Redundancy Protocol Configuring VRRP Verifying VRRP Debugging VRRP Gateway Load Balancing Protocol Verifying GLBP Debugging GLBP Configuration Example: GLBP

Part VII: IPv6

Chapter 16. IPv6

Assigning IPv6 Addresses to Interfaces IPv6 and RIPng Configuration Example: IPv6 RIP IPv6 Tunnels: Manual Overlay Tunnel Static Routes in IPv6 Floating Static Routes in IPv6 Default Routes in IPv6 Verifying and Troubleshooting IPv6 IPv6 Ping IPv6 Traceroute

Chapter 17. OSPFv3

IPv6 and OSPFv3 Enabling OSPF for IPv6 on an Interface Enabling an OSPF for IPv6 Area Range Enabling an IPv4 Router ID for OSPFv3 Forcing an SPF Calculation Verifying and Troubleshooting IPv6 and OSPFv3 Configuration Example: OSPFv3 R3 Router R2 Router R1 Router R4 Router

Chapter 18. EIGRP for IPv6

IPv6 and EIGRP Configuring the Percentage of Link Bandwidth Used by EIGRP Configuring Summary Addresses Configuring EIGRP Route Authentication Configuring EIGRP Timers Logging EIGRP Neighbor Adjacency Changes Adjusting the EIGRP for IPv6 Metric Weights Verifying and Troubleshooting EIGRP for IPv6 Configuration Example: EIGRP for IPv6 R3 Router R2 Router R1 Router

Part VIII: Network Administration and Troubleshooting

Chapter 19. Backing Up and Restoring Cisco IOS Software and Configurations

Boot System Commands The Cisco IOS File System Viewing the Cisco IOS File System Commonly Used URL Prefixes for Cisco Network Devices Deciphering IOS Image Filenames Backing Up Configurations to a TFTP Server Restoring Configurations from a TFTP Server Backing Up the Cisco IOS Software to a TFTP Server Restoring/Upgrading the Cisco IOS Software from a TFTP Server Restoring the Cisco IOS Software from ROM Monitor Mode Using Xmodem Restoring the Cisco IOS Software Using the ROM Monitor Environmental Variables and tftpdnld Command

Chapter 20. Password-Recovery Procedures and the Configuration Register

The Configuration Register Password-Recovery Procedures for Cisco Routers Password Recovery for 2960 Series Switches

Chapter 21. Cisco Discovery Protocol (CDP)

Cisco Discovery Protocol

Chapter 22. Remote Connectivity Using Telnet or SSH

Configuring a Device to Accept a Remote Telnet Connection Using Telnet to Remotely Connect to Other Devices Verifying Telnet Configuring the Secure Shell Protocol (SSH) Verifying SSH

Chapter 23. Verifying End-to-End Connectivity

ICMP Redirect Messages The ping Command Examples of Using the ping and the Extended ping Commands The traceroute Command

Chapter 24. Configuring Network Management Protocols

Configuring SNMP Configuring Syslog Syslog Message Format Syslog Severity Levels Syslog Message Example Configuring NetFlow Verifying NetFlow

Chapter 25. Basic Troubleshooting

Viewing the Routing Table Clearing the Routing Table Determining the Gateway of Last Resort Determining the Last Routing Update OSI Layer 3 Testing OSI Layer 7 Testing Interpreting the show interface Command Clearing Interface Counters Using CDP to Troubleshoot The traceroute Command The show controllers Command debug Commands Using Time Stamps Operating System IP Verification Commands The ip http server Command The netstat Command The arp Command

Chapter 26. Cisco IOS Licensing

Cisco Licensing Earlier Than IOS 15.0 Cisco Licensing for the ISR G2 Platforms: IOS 15.0 and Later Verifying Licenses Cisco License Manager Installing a Permanent License Installing an Evaluation License Backing Up a License Uninstalling a License

Part IX: Managing IP Services

Chapter 27. Network Address Translation

Configuring Dynamic NAT: One Private to One Public Address Translation Configuring PAT: Many Private to One Public Address Translation Configuring Static NAT: One Private to One Permanent Public Address Translation Verifying NAT and PAT Configurations Troubleshooting NAT and PAT Configurations Configuration Example: PAT

Chapter 28. Dynamic Host Configuration Protocol (DHCP)

Configuring a DHCP Server on an IOS Router Verifying and Troubleshooting DHCP Configuration Configuring a DHCP Helper Address DHCP Client on a Cisco IOS Software Ethernet Interface Configuration Example: DHCP

Part X: WANs

Chapter 29. Configuring Serial Encapsulation: HDLC and PPP

Configuring HDLC Encapsulation on a Serial Line Configuring Point-to-Point Protocol (PPP) on a Serial Line (Mandatory Commands) Configuring PPP on a Serial Line (Optional Commands): Compression Configuring PPP on a Serial Line (Optional Commands): Link Quality Configuring PPP on a Serial Line (Optional Commands): Multilink Configuring PPP on a Serial Line (Optional Commands): Authentication Verifying and Troubleshooting a Serial Link/PPP Encapsulation Configuration Example: PPP with CHAP Authentication

Chapter 30. Establishing WAN Connectivity Using Frame Relay

Configuring Frame Relay Verifying Frame Relay Troubleshooting Frame Relay Configuration Example: Point-to-Point Frame Relay Using Subinterfaces and OSPF Configuration Example: Point-to-Multipoint Frame Relay Using Subinterfaces and EIGRP

Chapter 31. Configuring Generic Routing Encapsulation (GRE) Tunnels

Configuring a GRE Tunnel Verifying a GRE Tunnel

Chapter 32. Configuring Point-to-Point Protocol over Ethernet (PPPoE)

Configuring a DSL Connection using PPPoE

Part XI: Network Security

Chapter 33. Managing Traffic Using Access Control Lists (ACL)

Access List Numbers Using Wildcard Masks ACL Keywords Creating Standard ACLs Applying Standard ACLs to an Interface Verifying ACLs Removing ACLs Creating Extended ACLs Applying Extended ACLs to an Interface The established Keyword (Optional) Creating Named ACLs Using Sequence Numbers in Named ACLs Removing Specific Lines in Named ACLs Using Sequence Numbers Sequence Number Tips Including Comments About Entries in ACLs Restricting Virtual Terminal Access Tips for Configuring ACLs ACLs and IPv6 Configuration Examples: ACLs

Part XII: Appendixes

Appendix A. Binary/Hex/Decimal Conversion Chart Appendix B. Create Your Own Journal Here

Steps to Configuring a Router

What Do You Want to Do Today?

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