R2511-HP MSR Router Series WLAN Command Reference(V5)

16
Parameters
channel-number: Specifies a channel. The working channels depend on the country code and radio
mode. The channel list depends on your device model.
auto: Specifies that the channel is automatically selected by the device according to the actual
environment during system initialization.
Usage guidelines
Different radios support different channels. Channels may differ for each country.
Examples
# Specify channel 6 for radio interface 1/0/2.
<Sysname> system-view
[Sysname] interface wlan-radio 2/0
[Sysname-WLAN-Radio2/0] radio-type dot11b
[Sysname-WLAN-Radio2/0] channel 6
channel band-width
Use channel band-width to specify the channel bandwidth of the 802.11n radio.
Use undo channel band-width to restore the default.
Syntax
channel band-width { 20 | 40 }
undo channel band-width
Default
The channel bandwidth of the 802.11gn radio is 20 MHz.
Views
WLAN radio interface view
Default command level
2: System level
Parameters
20: Specifies the channel bandwidth of the 802.11n radio as 20 MHz.
40: Specifies the channel bandwidth of the 802.11n radio as 40 MHz.
Usage guidelines
This command is only effective on 802.11n radios.
If you change the radio type of an 802.11n radio, the default setting for this function of the new radio type
is restored.
If the channel bandwidth of the radio is set to 40 MHz, a 40 MHz channel is used as the working
channel. If no 40 MHz channel is available, only a 20 MHz channel can be used. For more information,
see IEEE 802.11n-2009.
The following matrix shows the command and router compatibility: