CCNA Routing and Switching Portable Command Guide (ICND1 100-105, ICND2 200-105, and CCNA 200-125)

Here are all the CCNA-level Routing and Switching commands you need in one condensed, portable resource. CCNA Routing and Switching Portable Command Guide is filled with valuable, easy-to-access information-and it's portable enough to 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. Throughout, configuration examples give you a better understanding of how these commands are used in simple network designs.

This book has been completely updated to cover all topics in the new ICND1 100-105, ICND2 200-105, and CCNA 200-125 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. Coverage includes

Network Fundamentals: Subnetting, VLSM, route summarization, cables/connections, CLI

LAN Switching: Switch configuration, VLANs, VLAN trunking protocol, inter-VLAN communication, STP, EtherChannel

Routing (IPv4/IPv6): Router configuration, static routing, RIPng, EIGRP/EIGRPv6, OSPFv2/OSPFv3

WAN: Point-to-point protocols, eBGP, GRE tunnels, QoS

Infrastructure Services: DHCP, FHRP, HSRP, NAT

Infrastructure Security: Switch port security, ACL traffic management, device hardening

Infrastructure Management: Backup/restore, password recovery, CDP, LLDP, IOS tools, device monitoring, IOS licensing, troubleshooting

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 enables you to personalize the book for your needs

--"What Do You Want to Do?" chart inside the back cover helps you to quickly reference specific tasks

This book is part of the Cisco Press Certification Self-Study Product Family, which offers readers a self-paced study routine for Cisco® certification exams. Titles in the Cisco Press Certification Self-Study Product Family are part of a recommended learning program from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press.

Autorentext

Scott Empson is the chair of the Bachelor of Applied Information Systems Technology degree program at the Northern Alberta Institute of Technology in Edmonton, Alberta, Canada, where he has taught Cisco routing, switching, network design, and leadership courses in a variety of different programs (certificate, diploma, and applied degree) at the postsecondary level. Scott is also the program coordinator of the Cisco Networking Academy Program at NAIT, an Area Support Centre for the province of Alberta. He has a master of education degree along with three undergraduate degrees: a bachelor of arts, with a major in English; a bachelor of education, again with a major in English/language arts; and a bachelor of applied information systems technology, with a major in network management. He currently holds several industry certifications, including CCNP, CCDP, C|EH and Network+. Before instructing at NAIT, he was a junior/senior high school English/language arts/computer science teacher at different schools throughout northern Alberta. Scott lives in Edmonton, Alberta, with his wife, Trina, and two children, Zachariah and Shaelyn.

Inhalt

Introduction xxii

Part I Network Fundamentals

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

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 Tab 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 41

Using the Pipe Parameter (|) with the show Command 42

Part II LAN Switching Technologies

Chapter 6 Confi guring a Switch 43

Help Commands 43

Command Modes 44

Verifying Commands 44

Resetting Switch Configuration 44

Setting Host Names 45

Setting Passwords 45

Setting IP Addresses and Default Gateways 45

Setting Interface Descriptions 46

The mdix auto Command 46

Setting Duplex Operation 47

Setting Operation Speed 47

Managing the MAC Address Table 47

Configuration Example 48

Chapter 7 VLANs 51

Creating Static VLANs 51

Using VLAN Configuration Mode 52

Using VLAN Database Mode 52

Assigning Ports to VLANs 53

Using the range Command 53

Configuring a Voice VLAN 53

Configuring Voice and Data with Trust 54

Configuring Voice and Data Without Trust 54

Verifying VLAN Information 55

Saving VLAN Configurations 56

Erasing VLAN Configurations 56

Configuration Example: VLANs 57

2960 Switch 58

Chapter 8 VLAN Trunking Protocol and

Inter-VLAN Communication 61

Dynamic Trunking Protocol (DTP) 61

Setting the VLAN Encapsulation Type 62

VLAN Trunking Protocol (VTP) 63

Verifying VTP 64

Inter-VLAN Communication Using an External Router: Router-on-a-Stick 64

Inter-VLAN Communication on a Multilayer Switch Through a Switch Virtual Interface 65

Remove L2 Switchport Capability of an Interface on an L3 Switch 65

Configuring Inter-VLAN Communication on an L3 Switch 65

Inter-VLAN Communication Tips 66

Configuration Example: Inter-VLAN Communication 66

ISP Router 67

CORP Router 68

L2Switch2 (Catalyst 2960) 70

L3Switch1 (Catalyst 3560) 72

L2Switch1 (Catalyst 2960) 73

Chapter 9 Spanning Tree Protocol 75

Spanning Tree Protocol Definition 75

Enabling Spanning Tree Protocol 76

Configuring the Root Switch 76

Configuring a Secondary Root Switch 77

Configuring Port Priority 77

Configuring the Path Cost 78

Configuring the Switch Priority of a VLAN 78

Configuring STP Timers 78

Verifying STP 79

Cisco STP Toolkit 79

PortFast 79

BPDU Guard 80

Changing the Spanning-Tree Mode 80

Extended System ID 81

Enabling Rapid Spanning Tree 81

Troubleshooting Spanning Tree 82

Configuration Example: PVST+ 82

Core Switch (3560) 83

Distribution 1 Switch (3560) 83

Distribution 2 Switch (3560) 84

Access 1 Switch (2960) 84

Access 2 Switch (2960) 85

Spanning-Tree Migration Example: PVS…