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Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
OL-30644-01
Chapter 6 Configuring Radio Settings
Performing a Carrier Busy Test
Performing a Carrier Busy Test
You can perform a carrier busy test to check the radio activity on wireless channels. During the carrier
busy test, the wireless device drops all associations with wireless networking devices for 4 seconds while
it conducts the carrier test and then displays the test results.
In privileged EXEC mode, enter this command to perform a carrier busy test:
dot11 interface-number carrier busy
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.
Note The interface must be enabled for the carrier busy test to be performed.
Use the show dot11 carrier busy command to re-display the carrier busy test results.
ap#dot11 dot11Radio 1 carrier busy
ap#show dot11 carrier busy
Frequency Carrier Busy %
--------- --------------
5180 2
5200 0
5220 2
5240 1
5260 1
5280 0
5300 1
5320 0
5500 0
5520 0
5540 0
5560 0
5580 0
5660 0
5680 0
5700 0
5745 0
5765 0
5785 0
5805 0
5825 0
Configuring VoIP Packet Handling
You can improve the quality of VoIP packet handling per radio on access points by enhancing 802.11
MAC behavior for lower latency for Wireless class of service 5 (Video) and wireless class of service 6
(Voice).
Follow these steps to configure VoIP packet handling on an access point:
Step 1 Using a browser, log in to the access point.
Step 2 Click Services in the task menu at the top of the web-browser interface.
Step 3 In the left menu, click Stream.