CCNA Portable Command Guide, 2nd Edition
CCNA Portable Command Guide
Second Edition
All the CCNA 640-802 commands in one compact, portable resource
Preparing for the CCNA® exam? Here are all the CCNA-level commands you need in one condensed, portable resource. The CCNA Portable Command Guide, Second 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.
This book has been completely updated to cover topics in the ICND1 640-822, ICND2 640-816, and CCNA 640-802 exams. Use this quick reference resource to help you memorize commands and concepts as you work to pass the CCNA exam. 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.
The ten topics covered are
* TCP/IP
* An Introduction to Cisco Devices
* Configuring a Router
* Routing
* Switching
* Implementing a Wireless LAN
* Network Administration and Troubleshooting
* Managing IP Services
* WANs
* Network Security
Scott Empson is currently the associate chair of the bachelor of applied information systems technology degree program at the Northern Alberta Institute of Technology in Edmonton, Alberta, Canada, teaching Cisco® routing, switching, and network design courses in certificate, diploma, and applied degree programs at the post-secondary level. He is also the program coordinator of the Cisco Networking Academy® Program at NAIT, a Regional Academy covering central and northern Alberta. He has earned three undergraduate degrees and currently holds several industry certifications, including CCNP®, CCDA®, CCAI, and Network+®.
* Access all CCNA commands–use as a quick, offline resource for research and solutions
* Logical how-to topic groupings provide one-stop research
* Great for review before CCNA 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
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.
Category: Cisco Press–Cisco Certification
Covers: CCNA Exam (640-822 ICND1, 640-816 ICND2, and 640-802 CCNA)
This chapter provides information and commands concerning the following topics:
* 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
* Verifying and troubleshooting IPv6
* IPv6 ping
NOTE
For an excellent overview of IPv6, I strongly recommend you read Jeff Doyle’s book, Routing TCP/IP Volume I, Second Edition.
Assigning IPv6 Addresses to Interfaces
Router(config)#ipv6 unicast-routing
Enables the forwarding of IPV6 unicast datagrams globally on the router.
Router(config)#interface fastethernet 0/0
Moves to interface configuration mode.
Router(config-if)#ipv6 enable
Automatically configures an IPv6 link-local address on the interface and enables IPv6 processing on the interface.
NOTE: The link-local address that the ipv6 enable command configures can be used only to communicate with nodes on the same link.
Router(config-if)#ipv6 address 3000::1/64
Configures a global IPv6 address on the interface and enables IPv6 processing on the interface.
Router(config-if)#ipv6 address 2001:db8:0:1::/64 eui-64
Configures a global IPv6 address with an interface identifier in the low-order 64 bits of the IPv6 address.
Router(config-if)#ipv6 address fe80::260:3eff:fe47:1530/64 link-local
Configures a specific link-local IPv6 address on the interface instead of the one that is automatically configured when IPv6 is enabled on the interface.
Router(config-if)#ipv6 unnumbered type/number
Specifies an unnumbered interface and enables IPv6 processing on the interface. The global IPv6 address of the interface specified by type/number will be used as the source address.
Router(config)#interface serial 0/0
Moves to interface configuration mode.
Router(config-if)#ipv6 rip tower enable
Creates the RIPng process named tower and enables RIPng on the interface.
NOTE: Unlike RIPv1 and RIPv2, where you needed to create the RIP routing process with the router rip command and then use the network command to specify the interfaces on which to run RIP, the RIPng process is created automatically when RIPng is enabled on an interface with the ipv6 rip name enable command.
NOTE: Cisco IOS Software automatically creates an entry in the configuration for the RIPng routing process when it is enabled on an interface.
NOTE: The ipv6 router rip process-name command is still needed when configuring optional features of RIPng.
Router(config)#ipv6 router rip tower
Creates the RIPng process named tower if it has not already been created, and moves to router configuration mode
Router(config-router)#maximum-paths 2
Defines the maximum number of equal-cost routes that RIPng can support.
NOTE: The number of paths that can be used is a number from 1 to 64. The default is 4.
3. Configuration Example: IPv6 RIP
Juneau Router
Router>enable
Moves to privileged mode
Router#configure terminal
Moves to global configuration mode
Router(config)#hostname Juneau
Sets the host name of the router
Juneau(config)#ipv6 unicast-routing
Enables the forwarding of IPv6 unicast datagrams globally on the router
Juneau(config)#interface tunnel0
Moves to tunnel interface configuration mode
Juneau(config-if)#ipv6 address 2001:db8:c003:1104::1/64
Assigns an IPv6 address to this interface
Juneau(config-if)#tunnel source serial 0/0
Specifies the source interface type and number for the tunnel interface
Juneau(config-if)#tunnel destination 10.1.1.2
Specifies the destination IPv4 address for the tunnel interface
Juneau(config-if)#tunnel mode ipv6ip
Defines a manual IPv6 tunnel; specifically, that IPv6 is the passenger protocol and IPv4 is both the encapsulation and protocol for the IPv6 tunnel
Juneau(config-if)#interface fastethernet 0/0
Moves to interface configuration mode
Juneau(config-if)#ipv6 address 2001:db8:c003:111e::1/64
Assigns an IPv6 address to this interface
Juneau(config-if)#no shutdown
Activates the interface
Juneau(config-if)#interface serial 0/0
Moves to interface configuration mode
Juneau(config-if)#ip address 10.1.1.1 255.255.255.252
Assigns an IPv4 address and netmask
Juneau(config-if)#clock rate 56000
Sets the clock rate on interface
Juneau(config-if)#no shutdown
Starts the interface
Juneau(config-if)#exit
Moves to global configuration mode
Juneau(config)#exit
Moves to privileged mode
Juneau#copy running-config startup-config
Saves the configuration to NVRAM
Fairbanks Router
Router>enable
Moves to privileged mode
Router#configure terminal
Moves to global configuration mode
Router(config)#hostname Fairbanks
Sets the host name of the router
Fairbanks(config)#interface tunnel0
Moves to tunnel interface configuration mode
Fairbanks(config-if)#ipv6 address 2001:db8:c003:1104::2/64
Assigns an IPv6 address to this interface
Fairbanks(config-if)#tunnel source serial 0/0
Specifies the source interface type and number for the tunnel interface
Fairbanks(config-if)#tunnel destination 10.1.1.1
Specifies the destination IPv4 address for the tunnel interface
Fairbanks(config-if)#tunnel mode ipv6ip
Defines a manual IPv6 tunnel; specifically, that IPv6 is the passenger protocol and IPv4 is both the encapsulation and protocol for the IPv6 tunnel
Fairbanks(config-if)#interface fastethernet 0/0
Moves to interface configuration mode
Fairbanks(config-if)#ipv6 address 2001:db8:c003:111f::1/64
Assigns an IPv6 address to this interface
Fairbanks(config-if)#no shutdown
Activates the interface
Fairbanks(config-if)#interface serial 0/0
Moves to interface configuration mode
Fairbanks(config-if)#ip address 10.1.1.2 255.255.255.252
Assigns an IPv4 address and netmask
Fairbanks(config-if)#no shutdown
Starts the interface
Fairbanks(config-if)#exit
Moves to global configuration mode
Fairbanks(config)#exit
Moves to privileged mode
Fairbanks#copy running-config startup-config
Saves the configuration to NVRAM
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