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Chapter 2
Configuring Radio Settings
Beginning in privileged EXEC mode, follow these steps to set the transmit power on access point radios:
Command
Step 1
configure terminal
Step 2
interface dot11radio { 0 | 1 }
Step 3
power local
power settings should be:
{3 | 4 | 5 | 6 | 7 | 10 | 13 | 15 | 17 | 18 |
20 | maximum}
Step 4
end
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.
Use the no form of the power command to return the power setting to maximum, the default setting.
Limiting the Power Level for Associated Client Devices
You can also limit the power level on client devices that associate to the wireless device. When a client
device associates to the wireless device, the wireless device sends the maximum power level setting to
the client.
Note
Cisco AVVID documentation uses the term Dynamic Power Control (DTPC) to refer to limiting the
power level on associated client devices.
Beginning in privileged EXEC mode, follow these steps to specify a maximum allowed power setting on
all client devices that associate to the wireless device:
Command
Step 1
configure terminal
Step 2
interface dot11radio { 0 | 1 }
OL-6415-04
Purpose
Enter global configuration mode.
Enter interface configuration mode for the radio interface. The
2.4-GHz radio is radio 0, and the 5-GHz radio is radio 1.
Set the transmit power for the 802.11g, 2.4-GHz radio to one of
the power levels allowed in your regulatory domain. All
settings are in mW.
On the 2.4-GHz, 802.11g radio, you can set Orthogonal
Frequency Division Multiplexing (OFDM) power levels and
Complementary Code Keying (CCK) power levels. CCK
modulation is supported by 802.11b and 802.11g devices.
OFDM modulation is supported by 802.11g and 802.11a
devices.
Note
See the hardware installation guide for your access
point to determine the power settings for your
regulatory domain.
Note
The 802.11g radio transmits at up to 100 mW for the 1,
2, 5.5, and 11Mbps data rates. However, for the 6, 9, 12,
18, 24, 36, 48, and 54Mbps data rates, the maximum
transmit power for the 802.11g radio is 30 mW.
Return to privileged EXEC mode.
Purpose
Enter global configuration mode.
Enter interface configuration mode for the radio interface. The
2.4-GHz radio is radio 0, and the 5-GHz radio is radio 1.
Cisco Wireless ISR and HWIC Access Point Configuration Guide
Configuring Radio Transmit Power
2-13
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