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MR32 AP - Auto TX Power Change

Getting noticed

MR32 AP - Auto TX Power Change

Hi there ! 

 

Recently we have been struggling with an issue ( or what seems to be an issue ). Our APs are always ( 10-15 times a day ) increasing and decreasing Auto TX power ( see below ).

 

My question :  When the Auto Tx power change occurs , are clients kicked from the AP ? People are complaining that they must rejoin the Wifi atleast 8-10 times a day.

 

AP : MR32

FW :  25.13

autoTX.png

 

Thanks a lot ! 

5 REPLIES 5
Getting noticed

Re: MR32 AP - Auto TX Power Change

No, the clients are not kicked off as part of the TxPower adjustment process, but if they are on the edge of coverage they could theoretically find themselves out of it if the SNR drops below their threshold. As such they would need to find a new AP to connect to. It is possible that is what is happening and there are issue with either your coverage and/or your roaming. I would recommend looking at both. As for the constant flux in AP TxPower, that makes me think your AP layout and coverage is not balanced. Have you had a Site Survey performed?

Kind of a big deal

Re: MR32 AP - Auto TX Power Change

If I were you I would just statically assign power based on site survey results. If the design done was for 11dBm, then assign all power levels to that etc.
Nolan Herring | nolanwifi.com
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Getting noticed

Re: MR32 AP - Auto TX Power Change

Hi  @JimL  , 

 

We have over 300 sites with Meraki APs , I will have to double check if a Site Survey was performed recently that would make sense ! 

 

Regarding the event logs. We can see the same client  going to association and disassociation. Not sure if the frequency is normal ( seems a lot to me ). The said ''client'' told me that these events occurs even if she doesn't move from her desk ( which could concur with the Auto TX power change as you stated ) : 

 

log_ap.png 

 

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Getting noticed

Re: MR32 AP - Auto TX Power Change

Is it just her that is having problems and how are you authenticating users? From the log I don't see a lot of AP hopping. If this a Windows machine, there was bug in a recent update that unchecked the "Automatically Connect". It looks like her NIC could be going to sleep and disconnecting, causing her to manually reconnect and where she might be fat fingering her PSK. You could run a packet capture from the AP she is connected to while she is having problems and see what messages are being sent.

Kind of a big deal

Re: MR32 AP - Auto TX Power Change

Do you have client balancing enabled? If so disable that and check back with your users. Our experience with that hasn't been great and can cause users to be dropped from the network. 

 

We do also manually set power and do not use the auto-power.

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