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Devin Akin

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Viewing 6 posts - 1 through 6 (of 6 total)
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  • November 13, 2018 at 5:28 pm in reply to: Latency improvements in comparison to 802.11ac #15484
    Devin Akin
    Forum Admin

    You have to first have an 11ax AP and client in order to do the comparison.

    Second, you have to have a way to capture 11ax. Today there are no radios for client-side capture, so you would have to use an AP as a radio capture device.

    Run an application with 11ac and capture. Then run the same application with 11ax and capture. Compare timing values between the two captures.

    November 6, 2018 at 7:54 pm in reply to: Latency improvements in comparison to 802.11ac #15311
    Devin Akin
    Forum Admin

    11ax has at least a chance to improve latency by creating more contention domains, and therefore less contention.

    May 25, 2016 at 8:00 pm in reply to: Cisco RRM #3644
    Devin Akin
    Forum Admin

    Hi Dennis,

    Any such documents would be immediately refuted by Cisco (and their worshippers) as being technically incorrect (regardless of content), so nobody would bother wasting the time to write it…fortunately. The best we can do in such situations is to help our customers achieve optimal results, regardless of whether RRM is or isn’t in use.

    Devin

    April 26, 2016 at 7:46 pm in reply to: Apple Channel Utility Test (client induced channel saturation) #3265
    Devin Akin
    Forum Admin

    Interestingly, you can do the same thing on an Aerohive AP with the following commands:

    2.4 GHz radio:
    _test interface wifi0 cont-tx

    5 GHz radio:
    _test interface wifi1 cont-tx

    February 25, 2016 at 11:25 pm in reply to: 802.11 Standard Quick Reference #1889
    Devin Akin
    Forum Admin

    That’s extremely useful. Thanks James!

    February 25, 2016 at 11:23 pm in reply to: Introduction to Analysis Worksheet #1888
    Devin Akin
    Forum Admin

    That rocks, thanks James!

    Here’s another cool Apple tidbit:

    Apple Channel Utility Test
    

    Client induced channel saturation
    

    Within a terminal window:

    To generate traffic on a WiFi interface, pick an available IP on the network.

    Set a static arp entry for a fake host on the same network. You may be required to use sudo for the arp command.

    arp -s 10.0.1.199 ab:cd:22:22:22:22

    ! mac is arbitrary
    ! IP should be on same segment

    Send a bunch of traffic out the interface

    cat /dev/random | nc -u 10.0.1.199 22

    ! include port # after ip address

    Control-C to quit

    https://dl.dropboxusercontent.com/u/9610818/Image1.png

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Viewing 6 posts - 1 through 6 (of 6 total)

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