Cisco Router 860, 880 Series User Manual

 
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Chapter 10      Configuring Radio Settings
Configuring Transmit and Receive Antennas
To disable short radio preambles, follow these steps, beginning in privileged EXEC mode:
Short preambles are enabled by default. Use the preamble-short command to enable short preambles if 
they are disabled. 
Configuring Transmit and Receive Antennas
You can select the antenna the wireless device uses to receive and...

 
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Chapter 10      Configuring Radio Settings
Disabling and Enabling Aironet Extensions
Disabling and Enabling Aironet Extensions
By default, the wireless device uses Cisco Aironet 802.11 extensions to detect the capabilities of 
Cisco
 Aironet client devices and to support features that require specific interaction between the wireless 
device and associated client devices. Aironet extensions must be...

 
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Chapter 10      Configuring Radio Settings
Configuring the Ethernet Encapsulation Transformation Method
Use the dot11 extension aironet command to enable Aironet extensions if they are disabled. 
Configuring the Ethernet Encapsulation Transformation Method
When the wireless device receives data packets that are not 802.3 packets, the wireless device must 
format the packets to 802.3 using an...

 
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Chapter 10      Configuring Radio Settings
Enabling and Disabling Public Secure Packet Forwarding
To enable and disable PSPF using CLI commands on the wireless device, you use bridge groups. You 
can find a detailed explanation of bridge groups and instructions for implementing them in this 
document:
 Cisco IOS Bridging and IBM Networking Configuration Guide, Release 12.2. Click this link to 
browse to...

 
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Chapter 10      Configuring Radio Settings
Configuring the Beacon Period and the DTIM
For detailed information on protected ports and port blocking, refer to the “Configuring Port-Based 
Traffic Control” chapter in the Catalyst 3550 Multilayer Switch Software Configuration Guide, 
12.1(12c)EA1. Click this link to browse to that guide:...

 
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Chapter 10      Configuring Radio Settings
Configuring the Maximum Data Retries
Use the no form of the command to reset the RTS settings to defaults.
Configuring the Maximum Data Retries
The maximum data retries setting determines the number of attempts the wireless device makes to send 
a packet before dropping the packet. The default setting is 32. 
To configure the maximum data retries, follow these...

 
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Chapter 10      Configuring Radio Settings
Configuring the Fragmentation Threshold
Configuring the Fragmentation Threshold
The fragmentation threshold determines the size at which packets are fragmented (sent as several pieces 
instead of as one block). Use a low setting in areas where communication is poor or where there is a great 
deal of radio interference.The default setting is 2346 bytes. 
To...

 
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Chapter 10      Configuring Radio Settings
Configuring VoIP Packet Handling
For interface-number, enter dot11radio 0 to run the test on the 2.4-GHz radio, or enter dot11radio 1 to 
run the test on the 5-GHz radio.
Use the show dot11 carrier busy command to re-display the carrier busy test results.
Configuring VoIP Packet Handling
You can improve the quality of VoIP packet handling per radio on access...

 
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Chapter 10      Configuring Radio Settings
Configuring VoIP Packet Handling
You can also configure VoIP packet handling using the CLI. For a list of Cisco IOS commands for 
configuring VoIP packet handling using the CLI, consult the Cisco IOS Command Reference for Cisco 
Aironet Access Points and Bridges.  

 
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Configuring VoIP Packet Handling