Chapter 2 Configuring Radio Settings

Configuring Radio Channel Settings

Beginning in privileged EXEC mode, follow these steps to set the wireless device’s radio channel:

 

Command

Purpose

Step 1

 

 

configure terminal

Enter global configuration mode.

Step 2

 

 

interface dot11radio {0 1 }

Enter interface configuration mode for the radio interface. The

 

 

2.4-GHz radio is radio 0, and the 5-GHz radio is radio 1.

Step 3

 

 

channel

Set the default channel for the wireless device radio. Table 2-3

 

frequency least-congested

through Table 2-6show the available channels and frequencies for

 

 

all radios. To search for the least-congested channel on startup,

 

 

enter least-congested.

 

 

Note The channel command is disabled for 5-GHz radios that

 

 

comply with European Union regulations on dynamic

 

 

frequency selection (DFS). See the “DFS Automatically

 

 

Enabled on Some 5-GHz Radio Channels” section on

 

 

page 2-19for more information.

Step 4

 

 

end

Return to privileged EXEC mode.

Step 5

 

 

copy running-config

(Optional) Save your entries in the configuration file.

 

startup-config

 

 

 

 

Table 2-3shows the available channels and frequencies for the IEEE 802.11b 2.4-GHz radio.

Table 2-3 Channels and Frequencies for 802.11b 2.4 GHz Radio

 

 

 

Regulatory Domains

 

Channel

Center

 

 

 

 

Americas

China

EMEA

Japan

Identifier

Frequency (MHz)

(A)

(C)

(E)

(J)

 

 

 

 

 

 

1

2412

X

X

X

X

 

 

 

 

 

 

2

2417

X

X

X

X

 

 

 

 

 

 

3

2422

X

X

X

X

 

 

 

 

 

 

4

2427

X

X

X

X

 

 

 

 

 

 

5

2432

X

X

X

X

 

 

 

 

 

 

6

2437

X

X

X

X

 

 

 

 

 

 

7

2442

X

X

X

X

 

 

 

 

 

 

8

2447

X

X

X

X

 

 

 

 

 

 

9

2452

X

X

X

X

 

 

 

 

 

 

10

2457

X

X

X

X

 

 

 

 

 

 

11

2462

X

X

X

X

 

 

 

 

 

 

12

2467

X

X

 

 

 

 

 

 

13

2472

X

X

 

 

 

 

 

 

14

2484

 

 

 

 

 

 

Cisco Wireless ISR and HWIC Access Point Configuration Guide

 

OL-6415-04

2-15

 

 

 

Page 39
Image 39
Cisco Systems OL-6415-04 manual Regulatory Domains