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11D Ethernet speed

  • 1.  11D Ethernet speed

    Posted 03-10-2022 05:45 AM
    Today I suddenly found that the AP11d ethernet port speed can not exceed 500Mbps under Intranet.

    The speed of the ap uplink can reach 900mbps.
    This is not a joke?

  • 2.  RE: 11D Ethernet speed

    Posted 03-10-2022 01:04 PM
    Hi Eisen,

    I'm working with my team internally about your concerns. Also, can you provide us with the topology?

    Aruba Instant On Communications

  • 3.  RE: 11D Ethernet speed

    Posted 03-10-2022 04:50 PM
    Confirmed issue here as well. Interesting.... thanks for discovering this, @eisen! 

    **UPDATE: This is not only affecting the 11D hardwired ports, it's affecting all transmissions through APs. Cannot hit above 500Mbps, even when MCS Rate is at 9 w/2 Spatial Streams (theoretical Max of 866Mbps)**

    Hardwired to AP11D:
    - UDP tests result in full 1Gbps transfer
    - TCP tests max out at approximately 472 Mbps​

    Hardwired to 1930 24G PoE Switch:
    - Directly hardwired to 1930 24G switch yields ~940 Mbps

    - This test network is flat, w/no restrictions or shaping
    - AP12, AP11, AP11D, 1930 24G POE
    - Tested via '21 MacBook Pro & '14 MacMini 

    AP11D Hardwired Speed Test


  • 4.  RE: 11D Ethernet speed

    Posted 03-10-2022 09:04 PM
    Hi Ethan
    Wow, Thank you for your information. I have a very good SNR but can't negotiate to 867mbps(MCS 6) use my MacBook Pro; there was no problem before, so I switched to cable, and the result was even worse.

  • 5.  RE: 11D Ethernet speed

    Posted 04-15-2022 04:22 PM
    I'm also seeing slower speeds than advertised.   

  • 6.  RE: 11D Ethernet speed

    Posted 07-31-2022 12:50 PM
    OOPS! I had incorrectly reported that the issue was rectified. It remains an ongoing issue.


  • 7.  RE: 11D Ethernet speed

    Posted 07-31-2022 10:25 PM
    Good, I've been wondering about this but keep forgetting to test or ask.  You would think that if this was fixed in 2.6 it would been documented and specifically mentioned in the release notes and that the Aruba staff who frequent the forums would actually respond to this thread and let us know.

  • 8.  RE: 11D Ethernet speed

    Posted 08-02-2022 05:16 PM
    Hi The WiFi Guys ;), 

    we are seeing same issue with latest 2.6.0 SW version.

  • 9.  RE: 11D Ethernet speed

    Posted 08-05-2022 10:23 PM
    As are we. I was incorrect, my apologies.


  • 10.  RE: 11D Ethernet speed

    Posted 08-03-2022 02:59 PM

    Hey Ethan,

    Thank you for updating us. Outside of the software update, did something change in your environment/setup that assisted in the resolution of the original concern?

    Aruba Instant On Communications