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AP55 and APX120 performance differences

Hi folks,

I have recently upgraded my AP55/c to APX120.

I have noticed a performance decrease with the APX120.

Devices were able to connect to the 5ghz SSIDs at up to 866mb/s on the AP55s where as the maximum on the APX120 is 412mb/s.

I have checked the configuration of the APX and cannot see any different settings than on the AP55s.

Devices used a re W10 on an intel NUC, iPad, iPhones, mac mini (early 2020). All devices are running the latest version of OS.

Looking for others experiences with APX120s.

Ian

My XG is running V18.0.4 MR-4 with AP firmware 11.0.014-1.

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vikino over 3 years ago in reply to rfcat_vk +1

Not much... with ap55 Mac connects 866?

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0 LuCar Toni over 3 years ago

Do you use 5 GHz with 80 MHz Band?

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0 rfcat_vk over 3 years ago in reply to LuCar Toni

Hi,

yes I do.

Ian

XG115W - v20 GA - Home

XG on VM 8 - v20 GA

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0 vikino over 3 years ago in reply to rfcat_vk

Strange, both are 2x2, on ap55c i get also 866Mbit and apx740 on 80Mhz 866mbit.

What i miss is 160Mhz channel, 740 it can handle but in XG/UTM there is no way to set it to 160...
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0 rfcat_vk over 3 years ago in reply to vikino

Hi,

this forum might be able to help you with the APX740 issue.

wireless forum

Ian

XG115W - v20 GA - Home

XG on VM 8 - v20 GA

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0 LuCar Toni over 3 years ago in reply to rfcat_vk

Can you try to recreate your Wireless Network, if this will resolve something?

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0 rfcat_vk over 3 years ago in reply to LuCar Toni

I will swap them around, one only uses the 2.4ghz channels.

This has been an issue sine I installed them to replace the AP55s with the same setup.

Ian

XG115W - v20 GA - Home

XG on VM 8 - v20 GA

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0 rfcat_vk over 3 years ago in reply to rfcat_vk

Hi,

swapped the devices between networks after disabling the groups. All devices back online still showing the same connection speeds. W10 after a power off and on is 412mb/s.

Ian

XG115W - v20 GA - Home

XG on VM 8 - v20 GA

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0 LuCar Toni over 3 years ago in reply to rfcat_vk

As far as i know, windows uses the channel width and calculate the max speed based on this. Seems like its stuck by 20 MHz, not 80.

Which Channel do you use?

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0 rfcat_vk over 3 years ago in reply to LuCar Toni

I use auto channel configured for 80 Mhz. With the AP55s the same W10 connects at 866 Mhz, so did the Apple devices.

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0 rfcat_vk over 3 years ago in reply to LuCar Toni

I use auto channel configured for 80 Mhz. With the AP55s the same W10 connects at 866 Mhz, so did the Apple devices.

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0 rfcat_vk over 3 years ago in reply to rfcat_vk

Hi,

here are a couple of screenshots, the first is from the APX120 and the second from an AP55.

Interesting observation, the Apple devices drop connection speed on the AP55 when idle, but on the APX120 they don't. SO that to me indicates that the APX120 is running a newer version of the WIFI standard that makes the Apple devices much happier.

APX120

AP55

I think the above screenshots make the issue very clear.

Ian

XG115W - v20 GA - Home

XG on VM 8 - v20 GA

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0 rfcat_vk over 3 years ago in reply to rfcat_vk

Just to 10c more, the devices on the 2,4ghz SSID used to be able to connect at 72 or 144mb/s now can only connect at 68mb/s.

Ian

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0 vikino over 3 years ago in reply to rfcat_vk

2.4 is set to 40Mhz channel?
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0 rfcat_vk over 3 years ago in reply to vikino

Hi,

yes, they are.

Ian

XG115W - v20 GA - Home

XG on VM 8 - v20 GA

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0 vikino over 3 years ago in reply to rfcat_vk

Have a look if network card driver supports to force connection speed, some cards do, if it does, rry to force it somewhere up from 72Mbit, just to test if it connects
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0 rfcat_vk over 3 years ago in reply to vikino

Hi,

thank you for your thoughts on the subject. It is not just one device it is any device that connects the 2.4ghz SSID on the APX120.

Tomorrow, I will do a temporary network re-arrangement so I can have the APX120 and the AP55 on line at the same time so I cn the screenshots and post.

Ian

XG115W - v20 GA - Home

XG on VM 8 - v20 GA

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0 rfcat_vk over 3 years ago in reply to rfcat_vk

Here is the AP55 2.4ghz SSID bandwidth connections.

I will update this post with the APX120 2.4ghz SSID connections shortly.

AP55

APX120

Ian

XG115W - v20 GA - Home

XG on VM 8 - v20 GA

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0 vikino over 3 years ago in reply to rfcat_vk

Well...true is, that it is 40Mhz, as it will not go over 72Mbit on 20Mhz, but i dont understand that drop...

What about 5Ghz, that works fine or is the same problem?
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0 LuCar Toni over 3 years ago in reply to vikino

Just to be sure, are we talking about Performance differences in "speedtest numbers" or only those "shown numbers on Client/XG"?

Those are different issues.

Another test would be to move to other channels and check if the connection is better.

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0 rfcat_vk over 3 years ago in reply to LuCar Toni

Hi folks,

they are performance numbers shown by XG against client connections. The channel numbers have no affect on the results displayed.

I will try the speediest between various computers and see what I can achieve.

Ian

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