Cisco Systems OL-7426-03 Manual De Usuario

Configuring the System for SpectraLink NetLink Telephones

SpectraLink NetLink Telephones require an extra Operating System configuration step to optimize 
integration with Operating System. That configuration step is to enable long preambles in the Operating 
System:

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Using the Command Line Interface

Use this procedure to optimize the Operating System to communicate with SpectraLink NetLink 
Telephones using a long preamble.

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Log into the command line interface as described in 

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Use the show 802.11b command to view the following parameter:

Short Preamble mandatory....................... Enabled

which shows the Operating System default, Short Preamble Enabled; if this is the case, 
continue with this procedure. 
If this parameter indicates Short Preamble Disabled, this Cisco Wireless LAN Controller is 
already optimized for SpectraLink NetLink Telephones; if desired, continue with the 

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Disable the 802.11b/g network using the config 802.11b disable network command.

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Enable long preambles using the config 802.11b preamble long command.

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Enable the 802.11b/g network using the config 802.11b enable network command.

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Reboot the Cisco Wireless LAN Controller using the reset system command.
Answer y to the 

The system has unsaved changes. Would you like to save them now? (y/n)

 

prompt.

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The Cisco Wireless LAN Controller reboots.

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Verify that the Cisco Wireless LAN Controller is properly configured by logging back into the CLI 
and using the show 802.11b command to view the following parameters:

802.11b Network................................ Enabled

Short Preamble mandatory....................... Disabled

which shows that the 802.11b/g Network is Enabled and the Short Preamble is Disabled (Long 
Preamble is Enabled). 

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This Cisco Wireless LAN Controller is now optimized for SpectraLink NetLink Telephones; if 
desired, continue with the 

Using the Web User Interface

Use this procedure to optimize the Operating System to communicate with SpectraLink NetLink 
Telephones using a long preamble.

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Log into the Web User Interface as described in 

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Use Wireless / Global RF / 802.11b/g Network to view the 802.11b/g Global Parameters 
page.