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Re: [FIRMWARE] 4.0.30.10217 for UAP/USW has been released | Stable Candidate

As far as I know, iOS devices use some type of internal heuristic to decide whether 2.4 Ghz or 5 GHz is "better" and will switch accordingly if the two networks have the same SSID.

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Re: [FIRMWARE] 4.0.30.10217 for UAP/USW has been released | Stable Candidate


@kucharsk wrote:

As far as I know, iOS devices use some type of internal heuristic to decide whether 2.4 Ghz or 5 GHz is "better" and will switch accordingly if the two networks have the same SSID.


Thresholds here: https://support.apple.com/en-us/HT203068

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Re: [FIRMWARE] 4.0.30.10217 for UAP/USW has been released | Stable Candidate

Tune the WLANs accordingly and it will work wonders with single SSID for both bands. Samsung follows similar (not quite exactly same) but they did not publish it.
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Re: [FIRMWARE] 4.0.30.10217 for UAP/USW has been released | Stable Candidate

[ Edited ]

@Videotec_HQ wrote:

After I updated an Unifi UAP from firmware 4.0.20 to 4.0.30, it started to reboot very fast. This is what I see when I start the AP:

- after a couple of seconds the circle light turns on and it become yellow

- then after a couple of seconds the circle light become green

- after another couple of seconds the AP turns off and the loop starts again

 

I tried to execute the procedure for manual upgrade, but I'm not able to do it because the AP is restarting very fast. Could somebody help me? Do I need to ask for an RMA?

 

Regards, thanks in advance
Matteo Zaffonato



FIXED: We tried to update the APs using the tftp procedure again with firmware 4.0.30 and now everything is ok.

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Re: [FIRMWARE] 4.0.30.10217 for UAP/USW has been released | Stable Candidate


@chaicka wrote:
[...] Samsung follows similar (not quite exactly same) but they did not publish it.

It's not definitive, but this article describes the roaming behavior of at least some Samsung devices.  It says they use a threshold of -75 dBm, or -65 if channel utilization is above 70%.  It will only switch if the signal from the new AP is at least 10 dBm stronger.

 

-- Pete

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Re: [FIRMWARE] 4.0.30.10217 for UAP/USW has been released | Stable Candidate

Me, im still on 4.0.15.9872....nothing beyond that has convinced me its as stable...

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Re: [FIRMWARE] 4.0.30.10217 for UAP/USW has been released | Stable Candidate

Unfortunately, that's only for Enterprise networks.

Apple does not document between when it will switch between 2.4 Ghz and 5 GHz networks of the same SSID, or between different APs altogether.

For example, my iOS devices often choose to connect to an AP with a higher signal level at 2.4 GHz and are limited in speed rather than select the slightly weaker signal 5 GHz signal from my UAP-AC-HD which provides over 700 Mbps throughput.
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Re: [FIRMWARE] 4.0.30.10217 for UAP/USW has been released | Stable Candidate

4.0.30.10217 has been completely stable for me, no issues.
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Re: [FIRMWARE] 4.0.30.10217 for UAP/USW has been released | Stable Candidate


@kucharsk wrote:
Unfortunately, that's only for Enterprise networks.

Apple does not document between when it will switch between 2.4 Ghz and 5 GHz networks of the same SSID, or between different APs altogether.

For example, my iOS devices often choose to connect to an AP with a higher signal level at 2.4 GHz and are limited in speed rather than select the slightly weaker signal 5 GHz signal from my UAP-AC-HD which provides over 700 Mbps throughput.

Works fine for me at home. As long as you have enough APs that deliver 5G above the threshold noted in the document, iOS uses 5G. Turn down 2G to low or middle, use 5G at high.

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Re: [FIRMWARE] 4.0.30.10217 for UAP/USW has been released | Stable Candidate

I was able to run this FW on UAP 1st Gen's stable for a couple of weeks now.

Unfortunately it only runs stable when all switches in the network run FW 4.0.21.9965.

If I upgrade switches to 4.0.30.10217 problems are back: DHCP errors, broadcast storms, intermittend network outages, ... a lot of trouble. This is reproducible.

With .30 on the UAPs and .21 on the swithches it works pretty stable.

 

 

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Re: [FIRMWARE] 4.0.30.10217 for UAP/USW has been released | Stable Candidate

[ Edited ]

Hi @unifias ,

 


@unifias wrote:

I was able to run this FW on UAP 1st Gen's stable for a couple of weeks now.

Unfortunately it only runs stable when all switches in the network run FW 4.0.21.9965.

If I upgrade switches to 4.0.30.10217 problems are back: DHCP errors, broadcast storms, intermittend network outages, ... a lot of trouble. This is reproducible.

With .30 on the UAPs and .21 on the swithches it works pretty stable.


Can you please share the "/tmp/system.cfg" of problematic switch with 4.0.30, and topology view to me via private message, please?

And did you assign the STP priority to all switches on your network? Did you enable wireless uplink on this site?

 

 

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