Absolutely fantastic video! Finally someone taking the time to explain these features as they pertain to Ubiquiti’s implementation. Great explanations and run throughs. Thank you for this!
Thank you for the video. It's apparent you put a lot of work in to understanding the differences and having them explained like this helps a lot. Wireless gets complicated quick!
EXCELLENT Video! All the rabbit-hole in depth testing that my obsessive compulsive troubleshooting mind wants to see, that I am way too lazy or short on time to do.. Fantastic. As for transition speed, there is a Minimum RSSI setting that UI mentions that may cause the transition to happen earlier based on signal strength if you know how much overlap you have.
I wonder if that might be a video you would be willing to do using the same test setup? Tuning the RSSI? I believe, from another comment you answered below, you indicated that the transition speed difference was minimal for all four of the combinations of settings?
@@christopherjbutler Yes, the RSSI tuning and client roaming strategy topic was already in my backlogs. But I have the same problem to work on them: I either don't have time or sometimes am too lazy:)
The results were not very consistent, so I did not show all of them in the video. Although FT does improve performance, but for home usage with wpa personal authentication, the effect is minor.
What particular part in the video is what you refer as “monitor user signal updating”? If you were referring about the wireless frames shown in wireshark, it’s captured using other tool in real time.
I hope it's not to much trouble to ask but could you please do a video on WPA 3 fast roaming, and test an android 10 phone, I've had issues with it an android 10 specially, though I've heard it might also be affecting iPhones also I'm just not sure which one exactly.
@@hz777 thank you, I read it might be a universal issue with android 10, but also I did see on the forum that a user had issues with an iPhone also similar to mine. I already filed a ticket with UI about the issue, but now you have inspired me to check with Wireshark on my end. Otherwise a brilliant and informative video this is.
I just tested an Amazon tablet, running android 9. It roamed without issues when fast roaming is enabled and WPA3 personal is used. Unfortunately the tablet is not a generic android device so I cannot upgrade it to new android versions.
i mean home users won’t feel real differences. Of course if you measure the roaming time you may get some ns difference each time, but for home usage it does not really impact user experience too much.
Nope. Edit: just found the question was revised to be about 802.11k specifically. I never tried, but there may be the need for the controller to be the communication “hub”, so the controller may be required, but I have no time to validate it.
It’s all depending on the compatibilities of Wi-Fi clients, so different persons will have difference choices. In my case. I enable them all and don’t have issues.
The 802.11r protocol, also known as Fast BSS Transition (FT), provides two methods of roaming1: Over-the-Air: The client communicates directly with the target Access Point (AP) using IEEE 802.11 authentication with the FT authentication algorithm1. Over-the-DS (Distribution System): The client communicates with the target AP through the current AP. The communication between the client and the target AP is carried in FT action frames between the client and the current AP and is then sent through the controller1. In Wireshark, the “Fast Transition over DS: 0x0” indicates that the Over-the-DS method is not being used for the Fast BSS Transition2. In other words, if “Fast Transition over DS” is set to 0x0 (disabled), it can be surmised that the Over-the-Air method is being used for the Fast BSS Transition2.
This video is really a gem. Props to you for doing all the hard work and sharing your findings with others. I'm sure this has and will help many!
Absolutely fantastic video! Finally someone taking the time to explain these features as they pertain to Ubiquiti’s implementation. Great explanations and run throughs. Thank you for this!
Thank you for the video. It's apparent you put a lot of work in to understanding the differences and having them explained like this helps a lot. Wireless gets complicated quick!
Great job and an amazing video! I wish everyone could explain things in such a clear way.
EXCELLENT Video! All the rabbit-hole in depth testing that my obsessive compulsive troubleshooting mind wants to see, that I am way too lazy or short on time to do.. Fantastic.
As for transition speed, there is a Minimum RSSI setting that UI mentions that may cause the transition to happen earlier based on signal strength if you know how much overlap you have.
Yeah, and wifi client, such as macos, also has its own roaming strategy to decide to roam or not.
I wonder if that might be a video you would be willing to do using the same test setup? Tuning the RSSI? I believe, from another comment you answered below, you indicated that the transition speed difference was minimal for all four of the combinations of settings?
@@christopherjbutler Yes, the RSSI tuning and client roaming strategy topic was already in my backlogs. But I have the same problem to work on them: I either don't have time or sometimes am too lazy:)
Great video
Great video, thanks! I was hoping to see the transition speed between APs for the other test settings.
The results were not very consistent, so I did not show all of them in the video. Although FT does improve performance, but for home usage with wpa personal authentication, the effect is minor.
Wait. So which setting provided the fastest handoff?!
Amazing, great video!
cool, thanks
Very useful video thanks for it
Just wondering if I want to go the fastest roaming, do I have to click all setting to on?
awesome video!
Congratulations for the video, nice lab!
How do you configure the controller to monitor user signal updating and real time (without delay)?
Thanks
What particular part in the video is what you refer as “monitor user signal updating”? If you were referring about the wireless frames shown in wireshark, it’s captured using other tool in real time.
this is really objective and good video.. hi i want to ask does u6 support ofdma?
It depends on the model, but short answer is: yes.
Thank you for the great video! So what’s the verdict? Turn them on or off? Currently I only have BSS transition on…
It depends on your client devices due to potential compatibility issues. I have all of them on and don't have issues.
I hope it's not to much trouble to ask but could you please do a video on WPA 3 fast roaming, and test an android 10 phone, I've had issues with it an android 10 specially, though I've heard it might also be affecting iPhones also I'm just not sure which one exactly.
I don’t own an android phone but do have an old android tablet. Let me see what I can do.
@@hz777 thank you, I read it might be a universal issue with android 10, but also I did see on the forum that a user had issues with an iPhone also similar to mine.
I already filed a ticket with UI about the issue, but now you have inspired me to check with Wireshark on my end.
Otherwise a brilliant and informative video this is.
I just tested an Amazon tablet, running android 9. It roamed without issues when fast roaming is enabled and WPA3 personal is used. Unfortunately the tablet is not a generic android device so I cannot upgrade it to new android versions.
Just tested iPhone in the same fast roaming + WPA3 environment. No roaming issues.
IEEE802.11R is not compatible with WPA3 though
Beacon claims 802.11k is supported. But is neighbour table actually populated and sent to clients?
Yes, if the client request for it. The action code for the request is 4, and the response from AP (the neighborhood report) has action code 5.
Awesome video! Did you find with your testing that having fast roaming and BSS transition on with WPA2 made any difference?
For home users like me, the difference is just theoretical.
@@hz777 Oh really, when does it actually matter if it doesn’t make a difference in a home environment?
In an enterprise environment.
@@hz777 Any possible reasons why?
i mean home users won’t feel real differences. Of course if you measure the roaming time you may get some ns difference each time, but for home usage it does not really impact user experience too much.
Does the controller need to be online for 802.11k?
Nope.
Edit: just found the question was revised to be about 802.11k specifically. I never tried, but there may be the need for the controller to be the communication “hub”, so the controller may be required, but I have no time to validate it.
What is the model for unifi access point
I believe it does not matter, but I use UniFi u6-lr, lite, and enterprise.
thank you ! which plan should I use on wpa 2 personal? I have 4 AP6inwall , tested with wifi man and still confused.
It’s all depending on the compatibilities of Wi-Fi clients, so different persons will have difference choices. In my case. I enable them all and don’t have issues.
20:12 wait.. so you mean the communication is NOT over DS?
The 802.11r protocol, also known as Fast BSS Transition (FT), provides two methods of roaming1:
Over-the-Air: The client communicates directly with the target Access Point (AP) using IEEE 802.11 authentication with the FT authentication algorithm1.
Over-the-DS (Distribution System): The client communicates with the target AP through the current AP. The communication between the client and the target AP is carried in FT action frames between the client and the current AP and is then sent through the controller1.
In Wireshark, the “Fast Transition over DS: 0x0” indicates that the Over-the-DS method is not being used for the Fast BSS Transition2. In other words, if “Fast Transition over DS” is set to 0x0 (disabled), it can be surmised that the Over-the-Air method is being used for the Fast BSS Transition2.
Very useful, Thanks man