How to check the channels supported by a particular wireless client using controller's CLI?

MVP
MVP
Q:

How to check the channels supported by a particular wireless client using controller's CLI?

 



A:

We can check the channels supported by a particular wireless client using controller's CLI using the CLI command,

(Controller) #show ap virtual-beacon-report client-mac <client mac-id>


Example:

(Controller) #show ap virtual-beacon-report client-mac e8:99:c4:7e:3f:41 


Client MAC :e8:99:c4:7e:3f:41
Current association :AP325-2 (ac:a3:1e:53:66:b0)
Steer attempts/Success :7/0
Consecutive (Fails/BTM Rej/BTM Timeouts) :1/0/0
Bandsteer window (Steers/Start time/Expiry time) :1/Jun 14 08:45:13/Jun 14 09:15:13
Client Device Type :Android
Current state :Unsteerable
Active media sessions :No
Client Supported Channels :{1,11}{36,4}{52,4}{100,8}{149,4}{165,1} -----——————————> channels supported by a client

Current Time :Jun 15 10:29:59 2015

 

Here: 

Client Supported Channels are {1,11}{36,4}{52,4}{100,8}{149,4}{165,1} 

This means  {X,Y} is a set of legit contiguous channels where X is the minimum value and Y is the spectrum size. 

Example:

{36, 4}  is equivalent to {36, 40, 44, 48}.
{1, 11}  is equivalent to {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}

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Last update:
‎06-18-2015 04:39 AM
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Comments
andrew.pettifer

I'm going to find this information very useful.

We have a huge number of BYOD clients, but also we are not currently using all DFS channels.

If i can extract what channels our clients are capable of, i may be able to determine which DFS channels are safe to enable, without losing service to our clients.

andrew.pettifer

For anyone else finding this thread the command above can be very useful.

I was able to dump a list of connected client MAC addresses, and by combining those MAC addresses with the above command, i could save the output, and after massaging the data a bit with excel got the result below which is very interesting!

 

client-DFS-support.png

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