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Poor Wireless Signal - AP10s

anicoletti
We have a client where we installed a UTM120 v5 (the new units) in his office with a single AP10. Because it worked so well, the client wanted use to install a similar setup at his home. We get another UTM120 v5, flashed it with the software ISO v9 (latest update) and installed a home license. Have 3 AP10s at his house. 

Here's the problem. The AP10s are getting horrible signal strength. I'm standing 15 feet from the AP with direct line of sight, and I'm only getting 2 bars. He had not other wireless devices active in the area (he's in a remote location), but just for fun I changed the AP10s from Auto Channel to set channels (8 - 10), same issues. I also adjusted the TX Power from 100% to 75% and then back to see if there was an issue with that config, no difference.

Any suggestions on this issue? Is this faulty equipment (I doubt this since we have three APs with the same issue), firmware issue via v9? I do not believe its location / environment because, as stated above, there were no other active wireless devices and had perfect line of sight 10-15 feet away from unit.


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  • 0
    Ok, thanks, we're also trying to duplicate this issue in house.
    Helmut
  • 0 in reply to hschaa
    I should have V8 vs. V9 numbers using the same AP10 in a while, spooling up a new V8 instance in our lab...

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Sophos Platinum Partner

    --------------------------------------

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

  • 0 in reply to BrucekConvergent
    Gentlemen (and Ladies if present), there is indeed an issue with moving from V8 to V9.

    I have a V8.305 and V9.002 Demo instance on our ESXi 5.0U1 Lab, both on the same host hardware, running through the same switches, etc.  Configured with the same allocated RAM and CPUs, vNICs, etc. and both running off of the same base configuration file.  I'm using the same AP10 that we use for all of our lab work.  I ran each instance separately (with the other shutdown), 8.305 first, then 9.002.  The results were very interesting.  I used my usual laptop, on my desk, 8' from the AP location (through one wall, the lab is next door in our office space).

    If you check out the "graph with V8" image, you'll see the bright green bar, up where it should be.  The laptop got excellent signal strength and speed over this connection.

    I then shut down the V8 instance, and spooled up the V9 instance... gave it time to settle, check for up2dates, etc.

    If you look at the "V9 after AP entering forwarding state" graphic, you'll see a wierd spike during initiatialization (after the new firmware is loaded to the AP), then it drops down to -50 ... this is below the signal strength under V8, and nothing has changed but the UTM firmware.  The Laptop, nor the AP10, have moved a millimeter.

    More interesting is the image "V9 then-25-then-50-then-75-then-100" ... as it indicates... the graph shows the line after the initial connection (which should be at 100% signal strength, that's what Webadmin indicates)... the first little bump down shortly after 12:24 is when I put it at 25%...now that not changing much is not a surprise as I'm so close to the AP... then at 12:25 I bump it to 50... it looks like the original line... then I bump it to 75 at 12:26, and now it's stronger than at 100 ... so then I set it back in Webadmin to 100, and now it's weaker than EVER!  Something tells me in the code that there's a missing zero... that 10 is really 100 and 100 is really 10 [:)]

    Anyhow, I will also start an official case as well with this info.  I hope it is helpful.

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Sophos Platinum Partner

    --------------------------------------

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

  • 0 in reply to BrucekConvergent
    Oh, and if the Devs think this might come down to a hardware issue (certain revs having the problem, etc.) the Lab AP10 I used is labeled:

    Astaro Branding (Pre Sophos-Acquisition)
    Model: AP 10 Rev. 1
    S/N: A400000B7847B92

    FCC-ID: U2M-SR97908005

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Sophos Platinum Partner

    --------------------------------------

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

  • 0 in reply to BrucekConvergent
    Case #3475455 has been submitted to Sophos Support.

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Sophos Platinum Partner

    --------------------------------------

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

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