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CHAPTER 6: COMMAND LINE INTERFACE
channel
This command configures the radio channel through which the access point
communicates with wireless clients.
Syntax
channel <channel | auto>
• channel - Manually sets the radio channel used for communications with
wireless clients. (Range for 802.11a: 36, 40, 44, 48, 52, 56, 60, 64, 149,
153, 157, 161, 165 for normal mode, and 42, 50, 58, 152, 160 for turbo
mode; Range for 802.11b/g: 1 to 14)
• auto - Automatically selects an unoccupied channel (if available).
Otherwise, the lowest channel is selected.
Default Setting
Automatic channel selection
Command Mode
Interface Configuration (Wireless)
Command Usage
• The available channel settings are limited by local regulations, which
determine the number of channels that are available.
• When multiple access points are deployed in the same area, be sure to
choose a channel separated by at least two channels for 802.11a to avoid
having the channels interfere with each other, and at least five channels
for 802.11b/g. You can deploy up to four access points in the same area
for 802.11a (e.g., channels 36, 56, 149, 165) and three access points for
802.11b/g (e.g., channels 1, 6, 11).
• For most wireless adapters, the channel for wireless clients is automatically
set to the same as that used by the access point to which it is linked.
Example
Outdoor 11a Building to Building (if-wireless g)#channel 1
Outdoor 11a Building to Building (if-wireless g)#