Cisco AIR-WLC2006-K9 - Wireless LAN Controller 2006 Guía de usuario Pagina 94
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Cisco Wireless LAN Solution Product Guide
OL-7955-01
Chapter 3 Solutions
Configuring the System for SpectraLink NetLink Telephones
Use one of these methods to enable long preambles:
• Using the Controller CLI to Enable Long Preambles, page 3-12
• Using the Controller GUI to Enable Long Preambles, page 3-13
• Using WCS to Enable Long Preambles, page 3-13
Using the Controller CLI to Enable Long Preambles
Use this procedure to use the controller CLI to enable long preambles to optimize the operation of
SpectraLink NetLink phones on your wireless LAN.
Step 1 Log into the controller CLI.
Step 2 Enter show 802.11b and check the Short preamble mandatory parameter. If the parameter indicates that
short preambles are enabled, continue with this procedure. This example shows that short preambles are
enabled:
Short Preamble mandatory....................... Enabled
However, if the parameter shows that short preambles are disabled (which means that long preambles
are enabled), the controller is already optimized for SpectraLink NetLink phones and you do not need
to continue this procedure. This example shows that short preambles are disabled:
Short Preamble mandatory....................... Disabled
Step 3 Enter config 802.11b disable network to disable the 802.11b/g network. (You cannot enable long
preambles on the 802.11a network.)
Step 4 Enter config 802.11b preamble long to enable long preambles.
Step 5 Enter config 802.11b enable network to re-enable the 802.11b/g network.
Step 6 Enter reset system to reboot the controller. Enter y when this prompt appears:
The system has unsaved changes. Would you like to save them now? (y/n)
The controller reboots.
Step 7 To verify that the controller is properly configured, log back into the CLI and enter show 802.11b to
view these parameters:
802.11b Network................................ Enabled
Short Preamble mandatory....................... Disabled
These parameters show that the 802.11b/g network is enabled and that short preambles are disabled.
- Cisco Wireless LAN Solution 1
- Product Guide 1
- CONTENTS 3
- 3 Solutions 3-1 6
- 9 Using Cisco WCS 9-1 10
- Contents 11
- A Safety Considerations and 12
- Audience 15
- Organization 15
- Conventions 16
- Related Publications 18
- Obtaining Documentation 19
- Documentation Feedback 20
- Submitting a Service Request 22
- Overview 25
- Chapter 1 Overview 26
- Single-Controller Deployments 27
- Operating System Software 29
- Operating System Security 29
- Operational Requirements 31
- Configuration Requirements 31
- Client Roaming 33
- Client Location 34
- External DHCP Servers 35
- Access Control Lists 38
- Identity Networking 39
- Dynamic Frequency Selection 40
- File Transfers 41
- Power over Ethernet 41
- Pico Cell Functionality 42
- Distribution System Ports 46
- AP-Manager Interface 47
- Operator-Defined Interfaces 48
- Virtual Interface 48
- Service Port 49
- Service-Port Interface 49
- Startup Wizard 49
- Lightweight Access Points 56
- External Antenna Connectors 59
- Antenna Sectorization 60
- Using DHCP Option 43 64
- Lightweight Mode 65
- Rogue Access Points 67
- Web User Interface 68
- Command Line Interface 68
- Cisco Wireless Control System 69
- Cisco WCS Base 70
- Cisco WCS Location 71
- Cisco WCS User Interface 71
- Floor Plan Editor 72
- Guidelines for Using the GUI 75
- Opening the GUI 75
- Configuring the GUI for HTTPS 76
- TFTP server IP address 77
- Using the CLI 78
- Logging Out of the CLI 79
- Interfaces 80
- Solutions 83
- Cisco WLAN Solution Security 84
- Layer 3 Solutions 85
- Rogue Access Point Solutions 85
- Integrated Security Solutions 86
- Configuring DHCP 97
- Default Web Auth Operation 99
- OL-7955-01 100
- Chapter 3 Solutions 100
- Changing the Web Message 102
- Changing the Logo 102
- Hiding the Logo 103
- Identity Networking Overview 106
- QoS-Level 107
- ACL-Name 107
- Interface-Name 108
- VLAN-Tag 108
- Tunnel Attributes 109
- Before You Start 112
- Configuring a Country Code 115
- Configuring RADIUS Settings 117
- Configuring SNMP Settings 117
- Configuring Mobility Groups 118
- Configuring the Service Port 119
- Enabling 802.3x Flow Control 120
- Enabling System Logging 120
- Configuring Wireless LANs 121
- Wireless LAN Overview 122
- Activating Wireless LANs 123
- Configuring Layer 2 Security 124
- WEP Keys 125
- Configuring Layer 3 Security 126
- IKE Diffie-Hellman Group 127
- IKE Lifetime Timeout 127
- IPSec Passthrough 127
- Web-Based Authentication 127
- Local Netuser 128
- Configuring Auto Anchoring 129
- Managing Controller Software 131
- Upgrading Controller Software 132
- Saving Configurations 134
- Resetting the Controller 135
- Starting and Stopping WCS 143
- Using Cisco WCS 149
- Using Maps 152
- Adding a Building to a Campus 153
- Using the Map Editor 156
- Monitoring Maps 159
- Locating Clients 164
- Finding Coverage Holes 166
- Installing Cisco WCS 168
- Updating Cisco WCS for Linux 169
- Adding WCS User Accounts 172
- Changing Passwords 172
- Deleting User Accounts 173
- Operating Location Appliances 186
- Safety Considerations and 193
- Translated Safety Warnings 193
- Safety Considerations 194
- Warning Definition 194
- Varoitus 195
- Attention 195
- Avvertenza 195
- Advarsel 195
- ¡Advertencia! 196
- Varning! 196
- Class 1 Laser Product Warning 197
- Produto a laser de classe 1 198
- Klasse 1 laserprodukt 198
- Ground Conductor Warning 199
- Waarschuwing 210
- Controllers 215
- Information 219
- Statement 220
- Canadian Compliance Statement 221
- • Safety: EN 60950 222
- • Radio: EN 301.893 223
- 03-5549-6500 224
- All Access Points 225
- End User License and Warranty 229
- End User License Agreement 230
- Limited Warranty 232
- Disclaimer of Warranty 234
- Additional Open Source Terms 235
- APPENDIX 237
- Gain Pattern 246
- LED Patterns 251
- System Messages 252
- Client Reason Codes 254
- Client Status Codes 255
- Power Alarm 2.4 GHz 5 GHz 256
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