Cisco IOS Software Configuration Guide for Cisco Aironet Access ...

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Working with Software Images Chapter 20 Managing Firmware and Configurations Copying Image Files by Using TFTP You can download an access point image from a TFTP server or upload the image from the access point to a TFTP server. You download an access point image file from a server to upgrade the access point software. You can overwrite the current image with the new one. You upload an access point image file to a server for backup purposes; this uploaded image can be used for future downloads to the same or another access point of the same type. This section includes this information: • Preparing to Download or Upload an Image File by Using TFTP, page 20-20 • Downloading an Image File by Using TFTP, page 20-21 • Uploading an Image File by Using TFTP, page 20-22 Preparing to Download or Upload an Image File by Using TFTP Before you begin downloading or uploading an image file by using TFTP, perform these tasks: • Ensure that the workstation acting as the TFTP server is properly configured. On a Sun workstation, make sure that the /etc/inetd.conf file contains this line: tftp dgram udp wait root /usr/etc/in.tftpd in.tftpd -p -s /tftpboot Make sure that the /etc/services file contains this line: tftp 69/udp Note You must restart the inetd daemon after modifying the /etc/inetd.conf and /etc/services files. To restart the daemon, either stop the inetd process and restart it, or enter a fastboot command (on the SunOS 4.x) or a reboot command (on Solaris 2.x or SunOS 5.x). For more information on the TFTP daemon, refer to the documentation for your workstation. • Ensure that the access point has a route to the TFTP server. The access point and the TFTP server must be in the same subnetwork if you do not have a router to route traffic between subnets. Check connectivity to the TFTP server by using the ping command. • Ensure that the image to be downloaded is in the correct directory on the TFTP server (usually /tftpboot on a UNIX workstation). • For download operations, ensure that the permissions on the file are set correctly. The permission on the file should be world-read. • Before uploading the image file, you might need to create an empty file on the TFTP server. To create an empty file, enter the touch filename command, where filename is the name of the file you will use when uploading the image to the server. • During upload operations, if you are overwriting an existing file (including an empty file, if you had to create one) on the server, ensure that the permissions on the file are set correctly. Permissions on the file should be world-write. 20-20 Cisco IOS Software Configuration Guide for Cisco Aironet Access Points OL-8191-01
Chapter 20 Managing Firmware and Configurations Working with Software Images Downloading an Image File by Using TFTP You can download a new image file and replace the current image or keep the current image. Caution For the download and upload algorithms to operate properly, do not rename image directories. Beginning in privileged EXEC mode, follow Steps 1 through 3 to download a new image from a TFTP server and overwrite the existing image. Command Purpose Step 1 . Copy the image to the appropriate TFTP directory on the workstation. Make sure the TFTP server is properly configured; see the “Preparing to Download or Upload an Image File by Using TFTP” section on page 20-20 Step 2 Log into the access point through a Telnet session. Step 3 Step 4 archive download-sw /overwrite /reload tftp:[[//location]/directory]/image-name archive download-sw /leave-old-sw /reload tftp:[[//location]/directory]/image-name Download the image file from the TFTP server to the access point, and overwrite the current image. • The /overwrite option overwrites the software image in Flash with the downloaded image. • The /reload option reloads the system after downloading the image unless the configuration has been changed and not saved. • For //location, specify the IP address of the TFTP server. • For /directory/image-name, specify the directory (optional) and the image to download. Directory and image names are case sensitive. Download the image file from the TFTP server to the access point, and keep the current image. • The /leave-old-sw option keeps the old software version after a download. • The /reload option reloads the system after downloading the image unless the configuration has been changed and not saved. • For //location, specify the IP address of the TFTP server. • For /directory/image-name, specify the directory (optional) and the image to download. Directory and image names are case sensitive. Note To avoid an unsuccessful download, use the archive download-sw /safe command, which downloads the image first and does not delete the current running version until the download succeeds. OL-8191-01 Cisco IOS Software Configuration Guide for Cisco Aironet Access Points 20-21
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Cisco IOS Software Configuration Gu
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CONTENTS Preface xix Audience xix P
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Contents Opening the CLI with Secur
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Contents Optional ARP Caching 5-26
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Contents Guidelines for Using Multi
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Contents Applying an EAP Profile to
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Contents Assigning Names to VLANs 1
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Contents Verifying Repeater Operati
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Contents Displaying the Logging Con
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Preface Audience This guide is for
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Preface Conventions Appendix B, “
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Preface Related Publications ¡Adve
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Preface Documentation Feedback Cisc
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Preface Obtaining Technical Assista
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CHAPTER 1 Overview Cisco Aironet Ac
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Chapter 1 Overview Features WLSM Su
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Chapter 1 Overview Features VoWLAN
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Chapter 1 Overview Features • Wi-
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Chapter 1 Overview Management Optio
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Chapter 1 Overview Network Configur
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Chapter 1 Overview Network Configur
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CHAPTER 2 Using the Web-Browser Int
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Chapter 2 Using the Web-Browser Int
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CHAPTER 3 Using the Command-Line In
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Chapter 3 Using the Command-Line In
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CHAPTER 4 Configuring the Access Po
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Chapter 4 Configuring the Access Po
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CHAPTER 5 Administering the Access
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Chapter 5 Administering the Access
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CHAPTER 6 Configuring Radio Setting
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Chapter 6 Configuring Radio Setting
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CHAPTER 7 Configuring Multiple SSID
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Chapter 7 Configuring Multiple SSID
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CHAPTER 8 Configuring Spanning Tree
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Chapter 8 Configuring Spanning Tree
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CHAPTER 9 Configuring an Access Poi
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Chapter 9 Configuring an Access Poi
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CHAPTER 10 Configuring Cipher Suite
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Chapter 10 Configuring Cipher Suite
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CHAPTER 11 Configuring Authenticati
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Chapter 11 Configuring Authenticati
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CHAPTER 12 Configuring WDS, Fast Se
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Chapter 12 Configuring WDS, Fast Se
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CHAPTER 13 Configuring RADIUS and T
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Chapter 13 Configuring RADIUS and T
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CHAPTER 14 Configuring VLANs This c
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Chapter 14 Configuring VLANs Unders
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Chapter 14 Configuring VLANs Config
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Chapter 14 Configuring VLANs VLAN C
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Chapter 14 Configuring VLANs VLAN C
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CHAPTER 15 Configuring QoS This cha
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Chapter 15 Configuring QoS Understa
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Chapter 15 Configuring QoS Configur
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Chapter 15 Configuring QoS QoS Conf
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CHAPTER 16 Configuring Filters This
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Chapter 16 Configuring Filters Conf
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CHAPTER 17 Configuring CDP This cha
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Chapter 17 Configuring CDP Configur
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APPENDIX A Protocol Filters The tab
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Appendix A Protocol Filters Table A
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Appendix A Protocol Filters Table A
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APPENDIX B Supported MIBs This appe
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APPENDIX C Error and Event Messages
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Appendix C Error and Event Messages
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GLOSSARY 802.11 The IEEE standard t
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Glossary dipole domain name DNS DSS
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Glossary roaming RP-TNC A feature o
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INDEX Numerics 1130AG series indica
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Index Telnet 4-9 terminal emulator
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Index reasons for 20-18 using FTP 2
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Index IP redirection 7-11, 7-12 IPS
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Index protected ports 6-25 protocol
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Index server groups 18-7 shutdown m
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Index tftp_init command 22-21 TFTP
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