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

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Understanding Authentication Types Chapter 11 Configuring Authentication Types Figure 11-6 shows the WPA key management process. Figure 11-6 WPA Key Management Process Wired LAN Client device Access point Authentication server Client and server authenticate to each other, generating an EAP master key Client and access point complete a four-way handshake to: Confirm that a PMK exists and that knowledge of the PMK is current. Derive a pairwise transient key from the PMK. Install encryption and integrity keys into the encryption/integrity engine, if necessary. Confirm installation of all keys. Server uses the EAP master key to generate a pairwise master key (PMK) to protect communication between the client and the access point. (However, if the client is using 802.1x authentication and both the access point and the client are configured with the same pre-shared key, the pre-shared key is used as the PMK and the server does not generate a PMK.) Client and access point complete a two-way handshake to securely deliver the group transient key from the access point to the client. 88965 Software and Firmware Requirements for WPA, CCKM, CKIP, and WPA-TKIP Table 11-1 lists the firmware and software requirements required on access points and Cisco Aironet client devices to support WPA and CCKM key management and CKIP and WPA-TKIP encryption protocols. 11-8 Cisco IOS Software Configuration Guide for Cisco Aironet Access Points OL-8191-01
Chapter 11 Configuring Authentication Types Understanding Authentication Types To support the security combinations in Table 11-1, your Cisco Aironet access points and Cisco Aironet client devices must run the following software and firmware versions: • Cisco IOS Release 12.2(13)JA or later on access points • Install Wizard version 1.2 for 340, 350, and CB20A client devices, which includes these components: – PC, LM, and PCI card driver version 8.4 – Mini PCI and PC-cardbus card driver version 3.7 – Aironet Client Utility (ACU) version 6.2 – Client firmware version 5.30.13 Table 11-1 Software and Firmware Requirements for WPA, CCKM, CKIP, and WPA-TKIP Key Management and Encryption Protocol LEAP with CKIP Note This security combination requires 12.2(11)JA or later. LEAP with CCKM and CKIP Note This security combination requires 12.2(11)JA or later. Third Party Host Supplicant 1 Required? Supported Platform Operating Systems No Windows 95/98, Me, NT, 2000, XP, Windows CE, Mac OS X, Linux, DOS No Windows 98, Me, NT, 2000, XP, Windows CE LEAP with CCKM and No Windows XP and 2000 WPA-TKIP LEAP with WPA (no CCKM) No Windows XP and 2000 Host-based EAP (such as PEAP, EAP-SIM, and EAP-TLS) with WPA (no CCKM) No 2 Windows XP Host-based EAP (such as PEAP, EAP-SIM, and EAP-TLS) with WPA (no CCKM) Yes Windows 2000 WPA-PSK Mode No 2 Windows XP WPA-PSK Mode Yes Windows 2000 1. Such as Funk Odyssey Client supplicant version 2.2 or Meetinghouse Data Communications Aegis Client version 2.1. 2. Windows XP does not require a third-party supplicant, but you must install Windows XP Service Pack 1 and Microsoft support patch 815485. Refer to the Cisco Aironet 340, 350, and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows for complete instructions on configuring security settings on Cisco Aironet client devices. Click this URL to browse to the Cisco Aironet 340, 350, and CB20A Wireless LAN Client Adapters Installation and Configuration Guide for Windows: http://www.cisco.com/en/US/products/hw/wireless/ps4555/products_installation_and_configuration_g uides_list.html OL-8191-01 Cisco IOS Software Configuration Guide for Cisco Aironet Access Points 11-9
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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 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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Chapter 17 Configuring CDP Monitori
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Chapter 17 Configuring CDP Monitori
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CHAPTER 18 Configuring SNMP This ch
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Chapter 18 Configuring SNMP Underst
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Chapter 18 Configuring SNMP Configu
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CHAPTER 19 Configuring Repeater and
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Chapter 19 Configuring Repeater and
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SP ED LED 1 5 2 6 3 7 4 8 1X 2X ETH
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20 CHAPTER Managing Firmware and Co
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Chapter 20 Managing Firmware and Co
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21 CHAPTER Configuring System Messa
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Chapter 21 Configuring System Messa
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22 CHAPTER Troubleshooting This cha
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Chapter 22 Troubleshooting Checking
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Chapter 22 Troubleshooting Resettin
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Chapter 22 Troubleshooting Reloadin
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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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