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9-17
Cisco Wireless LAN Controller Configuration Guide
OL-8335-02
Chapter 9 Configuring Radio Resource Management
Configuring Dynamic RRM
RF Channel Assignment
Channel Assignment
Method
The controller’s dynamic channel assignment mode.
Options:Automatic, On Demand, or Off
Default: Automatic
Channel
Assignment
Method Description
Automatic Causes the controller to periodically evaluate and, if
necessary, update the channel assignment for all joined
access points.
On Demand Causes the controller to periodically evaluate the channel
assignment for all joined access points. However, the
controller reassigns channels, if necessary, only when
you click Invoke Channel Update Now.
Note The controller does not evaluate and update the
channel immediately after you click Invoke
Channel Update Now. It waits for the next
interval (default is 600 seconds).
Off Prevents the controller from evaluating and, if necessary,
updating the channel assignment for joined access
points.
Note For optimal performance, Cisco recommends that you use the
Automatic setting. Refer to the “Disabling Dynamic Channel
and Power Assignment Globally for a Controller” section on
page 9-27 for instructions if you ever need to disable the
controller’s dynamic settings.
Avoid Foreign AP
Interference
Causes the controller’s RRM algorithms to consider 802.11 traffic from
foreign access points (those not included in your wireless network)
when assigning channels to lightweight access points. For example,
RRM may adjust the channel assignment to have access points avoid
channels close to foreign access points.
Options:Enabled or Disabled
Default: Enabled
Table 9-1 RRM Parameters (continued)
Parameter Description