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Sophos AP15 speed issue

Hello,

I'm facing issue with Sophos AP15 on Sophos XG210, I've 50Mbps speed on the VDSL line.

I got the full speed when I connect via cable from the firewall but when I connect to wireless network with a bridge to AP LAN or separate zone I got max 12 Mbps or less.

Current AP firmware is 11.0.001 and firewall firmware is SFOS 17.1.1 MR-1

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0 LuCar Toni over 6 years ago

Hi,

There is a long Thread about performance issues on APs.

https://community.sophos.com/products/xg-firewall/f/firewall-and-policies/105207/slow-downloads-on-smartphones-connected-over-ap/383645#383645

Maybe you are affected by the same?

Would only describe separate zone slow speed, not Bridge to AP LAN.

Are all clients affected?

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0 Karim Ali over 6 years ago in reply to LuCar Toni

Hello,

Firstly thank you for your response, i tried this but the same issue still happening.

And all clients have the same issue over laptops and mobiles.
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0 LuCar Toni over 6 years ago in reply to Karim Ali

How did you measure the speed on the APs?

Performance issues are kinda hard to debug. Could be different issues related to each other.

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+1 Karim Ali over 6 years ago in reply to LuCar Toni

I measured it with speedtest.net website, i tested with the same website with cable and it looks great.

i noticed that the issue with the download speed only but the upload speed is the same with cable or wifi
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0 rfcat_vk over 6 years ago in reply to Karim Ali

Hi,

what devices on your network are you testing with? What are your AP connection settings eg 20 or 40mhz?

I have found my MACs to be very slow to ramp up, while other devices do quite quickly.

Ian

XG115W - v20.0.2 MR-2 - Home

XG on VM 8 - v21 GA

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0 Karim Ali over 6 years ago in reply to rfcat_vk

I tested all devices on 20 and 40 Mhz and the same issue still happening.

I tried also with another wireless AP Linksys and I got more speed than AP15.
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0 rfcat_vk over 6 years ago in reply to Karim Ali

Hi Karim,

what do your IPS settings show, any dropped packets?

Ian

XG115W - v20.0.2 MR-2 - Home

XG on VM 8 - v21 GA

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0 Karim Ali over 6 years ago in reply to rfcat_vk

this screenshot for IPs
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0 Karim Ali over 6 years ago in reply to rfcat_vk

this screenshot for IPs
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0 rfcat_vk over 6 years ago in reply to Karim Ali

Hi Karim,

thank you for that update. Next what are there MTU settings for the AP?

Please post a couple of screen shots of the AP configuration, that might speed things up a bit.

Ian

XG115W - v20.0.2 MR-2 - Home

XG on VM 8 - v21 GA

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0 Dwight Sutton over 6 years ago in reply to rfcat_vk

Whoever,

I am having the same issue. The direct line out of my SophosXG (XG85w (SFOS 17.1.2 MR-2) speedtest shows full 240mbs download, but the wifi signal download speed (with the same computer inches from the Sophos) shows an download of <20mbps consistently. I have a very small office with no computer being >10meters from the Sophos. I have updated the software on the Sophos and there is no change. I will not mess with this very long, so if I don't find a solution, I'll just replace it with a Cisco product.

Weedkiller
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0 Karim Ali over 6 years ago in reply to rfcat_vk

The default MTU for the AP is 1500, I tried to change it to 1492 and other values but there was a tiny change up and down.
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