Controllerless Networks

Can someone please explain what the "Threshold" column in the 'show ap client-view' table refers to?

I'm struggling to find any info on this.

Thanks

Paul

Found this(look at the "Table 3"): http://www.arubanetworks.com/techdocs/Instant_40_Mobile/Advanced/Content/UG_files/ARM/Configuring_ARM-Features.htm

"Specify a value for CM threshold. This number takes acceptance client count difference among all the channels of Client match into account. When the client load on an AP reaches or exceeds the threshold in comparison, client match is enabled on that AP.

You can specify a value within range of 1-20. The default value is 2"

HTH

Kevin

Hi Kevin, thanks for your reply. I think we are talking about different things. 

You are talking about 'Client Match Threshold', where I am querying the description for the 'Threshold' column in the table that is displayed when you run the 'show ap client-view' command.

I've attached a screenshot of an example of the table.

Thanks

Paul

Yes, I saw that as well. Not sure what it could be thugh

Another guess: it may be ClientMatch client threshold which is a 'Number of clients associated to each radio before the SLB algorithm kicks in'. Default value: 30 clients per radio

I wonder if someone from Aruba could help with this

Kevin

Confirmed, the threshold column you talk about is actually the CM SLB Client Threshold I talked about in my previous post. I just changed this parameter in an Instant Cluster and then the threshold column changed to the same value

Kevin

That's very strange. In my cluster the CM Threshold is set to 5. Whereas, when I run the 'show ap client-view' the 'Threshold' value is showing as 30 for all IAPs except for one which is 255. This was the reason I posted this question. I wanted to see why one of my IAPs would be showing as 255 when the rest are set to 30.

Thanks

Paul

Yes. Indeed, I was saying the CM SLB threshold (not the CM threshold). I looged in my IAP cluster and could see that all of them had the same value (which is 30 by default)

Kevn

See attachment regarding last post.

I actually meant another parameter. 

Here I attach a screenshot of show arm config and show ap client-view

Excellent, thank you Kevin. I can see what you mean now. I was looking in RF > ARM in the VC/Instant GUI, instead of in the ARM config in the CLI.

Would you have any idea of why there are a few radios with a threshold of 255 rather than the default of 30, which is set in my arm config? - See attachment.

Thanks

Paul

Great!

Sorry I did not manage to explain it very well.

Regarding the threshold of 255, that is strange. I would try the following:

- In your VC, perform a "sh aps"  and check that all the APs have the same config ID and config checksum (to ensure that they all have the same configuration)

- In your VC, perform a "sh arm config" and check the CM SLB threshold (just for doulbe-checking)

Hope this helps

Kevin

Thanks Kevin, at least I now know what ARM config option the Threshold column relates to.

-Yes, all IAPs have the same Config Id & Config Csum (0 & 18030 respectively).

-CM SLB Threshold is actually set to 5. Whereas, CM SLB Client Threshold is set to 30. Can't see anything in here with a value of 255.

The values seem to change intermittenly as now my 'ap client view' output shows everything with a threshold value of 30, except for one IAP that has read 255 all day.

Checking in the radio stats of this IAP ('ap radio #' stats), Radio 0 (5GHz) is showing as having 4 radio resets. Radio 1 (2.4GHz) is showing as having 9031 'total radio resets' today - I checked this same IAP yesterday afternoon and it only had 3 'radio 1' resets.

I was wondering if the 255 reading in the 'Threshold' column in the 'show ap client view' command output would have any relation to the large number of radio resets on the 2.4GHz radio (show ap debug radio-stats 1)?

I appreciate that this question may be more appropriate for Aruba to answer...

Thanks for your help

Paul

That is a bit strange. The "CM SLB client threshold" (in the "show arm config" command) should match the "threshold" value of the "show ap client-view". I wonder if someone from Aruba could help us understanding why one radio has a value of 255

Kevin