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XG 135W with APX120 wifi speed issue

Yuichi Murakami

Hey guys.  I would love to get your opinion and help on this.

I have XG135W and four APX120.  With machines connected directly via ethernet has no speed issues.  However any wifi devices are experiencing 1/4 of the speed.   

As a test, I connected google-wifi to one of the XG ports and the wifi speed on that is close to the speed of connecting with ethernet.  

Why is the wifi slow on sophos appliance?

Any help much appreciated!



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  • 0

    A few questions for anyone here to assist further as you provided no information.

    1: 2.4 or 5ghz?

    2: channel width setup  20, 40, 80, 160?

    3: what speed is being reported for the connection? 

  • 0 in reply to SMS Engineering

    Hi, thanks for your reply.

    The wireless setting is:

    1: 2.4 and 5ghz

    2: 20Mhz for 2.4Ghz, 40Mhz for 5Ghz

    3: Ethernet is pulling about 430Mbps, Wireless is pulling 50Mbps.  This was tested on same laptop.

    Also, this was tested on local wifi and not the Accesspoint as my laptop is located right next to XG.

    Thank you so much for your help.

  • 0 in reply to Yuichi Murakami

    Hi try splitting your SSIDs do that you can test the 2.4 seperate;y. The 2.4 thZ SSID will only give you a maximum throughput of 150mb/s and that will depend on device type and the duration of the download test. Also set the 2.4 to 40mhz.

    The 5ghz SSID will give you a maximum of 866mb/s but again that depends on device type and download duration of your test.

    Apple devices have trouble ramping up the connection speed on the 5ghz SSIDs regardless to how close to the AP they are located.

    My W10 NUC sits quite comfortably at 866mb/s

    Ont eh 2.4ghz SSIDs the usual connect speed range is 135 to 150mb/s.

    Ian

  • 0 in reply to rfcat_vk

    Do not forget, APX120 and the Appliance has a single radio. Means, it can only use 2,4 or 5,0 GHz at the same time. 

    If you create a SSID with both (2,4 and 5), it will use 2,4 only. 

  • 0 in reply to LuCar Toni

    Thanks for the info!   I was not aware of the single radio.

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