Cisco 3800 Series Configuring - Page 8

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How to Configure Radio Settings on an Access Point

Command or Action

Step 5

power client {milliwatt | maximum}

Example:

Router(config-if)# power client 20

Step 6

end

Example:

Router(config-if)# end

Step 7

copy running-config startup-config

Example:

Router# copy running-config startup-config

Configuring Radio Channel Settings on an Access Point

Perform this task to set the access point's radio channel.

Channel Settings

The default channel setting for the AP radios is least congested; at startup, the AP scans for and selects

the least-congested channel. For most consistent performance after a site survey, however, we

recommend that you assign a static channel setting for each access point. The channel settings on your

AP correspond to the frequencies available in your regulatory domain.

Each 2.4-GHz channel covers 22 MHz. The bandwidth for channels 1, 6, and 11 does not overlap, so you

can set up multiple access points in the same vicinity without causing interference.

The 5-GHz radio operates on up to 27 channels from 5170 to 5850 MHz. Each channel covers 20 MHz,

and the bandwidth for the channels overlaps slightly. For best performance, use channels that are not

adjacent (44 and 46, for example) for radios that are close to each other.

Too many access points in the same vicinity creates radio congestion that can reduce throughput. A

Note

careful site survey can determine the best placement of access points for maximum radio coverage and

throughput.

SUMMARY STEPS

enable

configure terminal

interface dot11Radio interface

channel {number | MHz | least-congested}

Configuring Radio Settings on an Access Point

Purpose

(Optional) Specifies the maximum power level that clients

should use for radio transmissions to the access point.

•

For the 802.11b/g radio, the milliwatt value can be 7,

10, 13, 15, 17, or 20. For the 802.11a radio, the

milliwatt value can be 4, 7, 10, 13, or 16.

Use the maximum keyword to specify the maximum

•

power level.

The default is for the AP to specify no specific client

•

power level.

Returns to privileged EXEC mode.

(Optional) Saves your entries in the configuration file.