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Cisco Mesh Access Points - Preparation in a DFS Environment

Cisco Mesh Access Points
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A repeated radar event on the MAP (radar triggers once, and then almost immediately again), causes the
MAP to disconnect.
Note
Preparation in a DFS Environment
This section describes how to prepare in a DFS environment:
To verify that your controller is set to the correct country domain, enter the following command:
(Cisco Controller) > show country
To check the mesh access point country and the channel setting on the controller, enter the following
command:
(Cisco Controller)> show ap config 802.11a ap-name
To identify channels available for mesh, enter the following command:
(Cisco Controller)> show ap config 802.11a ap-name
Look for the allowed channel list.
Allowed Channel List....................... 100,104,108,112,116,120,124,
......................................... 128,132,136,140
To identify channels available for mesh on the AP console (or use remote debug from the controller,
enter the following command:
ap1520-rap # show mesh channels
HW: Dot11Radio1, Channels:
100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
An asterisk next to a channel indicates that radar has been seen on the channel.
To invoke remote debug, enter the following commands:
(Cisco Controller) > debug ap enable ap-name
(Cisco Controller) > debug ap command command ap-name
Debug commands to see radar detection and past radar detections on the DFS channel are as follows:
show mesh dfs channel channel-number
show mesh dfs history
Information similar to the following appears.
ap1520-rap # show mesh dfs channel 132
Channel 132 is available
Cisco Mesh Access Points, Design and Deployment Guide, Release 7.3
218 OL-27593-01
Troubleshooting
Dynamic Frequency Selection

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