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CH
A
P
T
E
R
5-1
Cisco Wireless ISR and HWIC Ac
cess Point Configuration Guide
OL-6415-04
5
Configuring Encryption Types
This chapter descri
bes how to conf
igure the en
cr
yption types requi
red to use WP
A authenticated key
management, W
ired Equi
v
alent Pri
v
acy (WEP), AES-
CCM, T
empor
al K
ey Inte
grity Protocol (
TKIP),
and broadcast key rotation. This chapter contains these sections:
•
Understand Encryption T
ypes, page 5-2
•
Config
ure Encryption T
ypes, page 5-3
76
78
Table of Contents
Default Chapter
3
Table of Contents
3
Support
6
Preface
9
Audience
9
Purpose
9
Organization
10
Conventions
10
Related Publications
12
Obtaining Documentation
13
Cisco.com
13
Product Documentation DVD
14
Ordering Documentation
14
Documentation Feedback
14
Cisco Product Security Overview
15
Reporting Security Problems in Cisco Products
15
Obtaining Technical Assistance
16
Cisco Technical Support & Documentation Website
16
Submitting a Service Request
16
Definitions of Service Request Severity
17
Obtaining Additional Publications and Information
17
Chapter 1 Overview
20
Multiple Ssids
21
Features
21
Wi-Fi Protected Access
22
Configuring Radio Settings
25
Role in Radio Network
26
Chapter 2 Configuring Radio Setting
26
Configuring Network or Fallback Role
27
Bridge Features Not Supported
28
Sample Bridging Configuration
28
Ssid
29
Configuring Universal Client Mode
31
Configuring Radio Data Rates
34
Configuring Radio Transmit Power
36
Limiting the Power Level for Associated Client Devices
37
Configuring Radio Channel Settings
38
Regulatory Domains
39
DFS Automatically Enabled on some 5-Ghz Radio Channels
43
Enabling and Disabling World Mode
44
Enabling and Disabling Short Radio Preambles
45
Configuring Transmit and Receive Antennas
46
Configuring the Ethernet Encapsulation Transformation Method
47
Disabling and Enabling Access Point Extensions
47
Rfc 1042
47
Enabling and Disabling Reliable Multicast to Workgroup Bridges
48
Workgroup Bridge
48
Enabling and Disabling Public Secure Packet Forwarding
49
Configuring Protected Ports
50
Configuring Beacon Period and DTIM
50
Configuring Maximum Data Retries
51
Configuring RTS Threshold and Retries
51
RTS Threshold
51
Configuring Fragmentation Threshold
52
Enabling Short Slot Time for 802.11G Radios
52
Short Slot Time
52
Performing a Carrier Busy Test
53
Configuring Multiple Ssids
55
Understanding Multiple Ssids
56
SSID Configuration Methods Supported by Cisco IOS Releases
56
Guest Mode
56
Chapter 3 Configuring Multiple SSID
56
Configuring Multiple Ssids
57
Creating an SSID Globally
57
Using a RADIUS Server to Restrict Ssids
59
Using Spaces in
59
Configuring Multiple Basic Ssids
60
Requirements for Configuring Multiple Bssids
60
Guidelines for Using Multiple Bssids
60
Enabling MBSSID and SSIDL at the same Time
61
Sample Configuration for Enabling MBSSID and SSIDL
62
Vlan 1
62
Chapter 4 Configuring an Access Point as a Local Authenticator
65
Understand Local Authentication
66
Point
66
Configure a Local Authenticator
67
Guidelines for Local Authenticators
67
Configuration Overview
67
Configuring the Local Authenticator Access Point
67
Configuring Other Access Points to Use the Local Authenticator
72
Configuring EAP-FAST Settings
73
Configuring an Authority ID
74
Limiting the Local Authenticator to One Authentication Type
75
Unblocking Locked Usernames
75
Viewing Local Authenticator Statistics
75
Using Debug Messages
76
Configuring Encryption Types
77
Understand Encryption Types
78
C H a P T E R 5 Configuring Encryption Types
78
Configure Encryption Types
79
Creating WEP Keys
79
Wep Key Restrictions
80
Creating Cipher Suites
81
Enabling and Disabling Broadcast Key Rotation
83
Security Type in Universal Client Mode
84
Wmm
86
Chapter 6 Configuring Authentication Types
89
Understand Authentication Types
90
Open Authentication to Access Point
90
Shared Key Authentication to Access Point
91
EAP Authentication to Network
92
MAC Address Authentication to the Network
93
Combining MAC-Based, EAP, and Open Authentication
94
Using WPA Key Management
94
Software and Firmware Requirements for WPA and WPA-TKIP
96
Configure Authentication Types
97
Assigning Authentication Types to an SSID
97
With EAP
99
Configuring Wpa Migration Mode
100
Configuring Mac Authentication Caching
102
Configuring Authentication Holdoffs, Timeouts, and Intervals
103
Matching Access Point and Client Device Authentication Types
104
Shared Key
104
Static WEP
104
Chapter 7 Configuring RADIUS Servers
107
Configuring and Enabling RADIUS
108
Understanding RADIUS
108
Chapter 7 Configuring RADIU Server
108
RADIUS Operation
109
Configuring RADIUS
110
Chapter
111
Chapter
112
Configuring Radius Login Authentication
113
Defining Aaa Server Groups
115
Configuring Wispr Radius Attributes
122
Displaying the RADIUS Configuration
123
RADIUS Attributes Sent by the Access Point
124
Service-Type Attribute
126
Chapter 8 Configuring Vlans
127
Understanding Vlans
127
Understanding Vlans
128
Related Documents
129
Incorporating Wireless Devices into Vlans
130
Configuring Vlans
130
Access Point
130
Configuring a VLAN
131
Assigning Names to Vlans
133
Using a RADIUS Server to Assign Users to Vlans
133
Viewing Vlans Configured on the Access Point
134
VLAN Configuration Example
135
Chapter 9 Configuring Qos
139
Understanding Qos for Wireless Lans
140
Qos for Wireless Lans Versus Qos on Wired Lans
140
Impact of Qos on a Wireless LAN
140
Wi-Fi Multimedia
140
Precedence of Qos Settings
141
Using Wi-Fi Multimedia Mode
142
Configuring Qos
142
Configuration Guidelines
143
Adjusting Radio Access Categories
143
Disabling IGMP Snooping Helper
144
Sample Configuration Using the CLI
144
Appendix
145
Channel Settings
145
IEEE 802.11B (2.4-Ghz Band)
145
Regulatory Domains
145
IEEE 802.11G (2.4-Ghz Band)
146
IEEE 802.11A (5-Ghz Band)
146
Appendix
149
Protocol Filters
149
Radius
154
Appendix
155
Supported Mibs
155
MIB List
155
Using FTP to Access the MIB Files
156
Appendix
157
Error and Event Messages
157
How to Read System Messages
157
Message Traceback Reports
158
Association Management Messages
158
802.11 Subsystem Messages
159
Local Authenticator Messages
168
G L O S S a R y
169
Remote Authentication Dial-In User Service
171
I N D E X
175
World Mode
180
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Cisco ISR Specifications
General
Brand
Cisco
Model
ISR
Category
Wireless Access Point
Language
English
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