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Thread: Alfa Awus036H, strange behaviour and dropped connection

  1. #1
    Join Date
    2015-Mar
    Posts
    2

    Exclamation Alfa Awus036H, strange behaviour and dropped connection

    Hello everyone,

    I have ordered Alfa Awus036H (RTL8187 chipset) about 1 week ago and still trying to make it working with Kali.
    Let me explain the whole issue:

    I have running Kali in my both desktop & laptop.
    Kali is working under VMware environment.

    However, my connection (not monX interface, just wlan0) is dropping every 1-2 minutes.
    Actually connection drops on some actions like:
    - Running ettercap
    - Any ARP command
    - Port scanning

    It looks like device is not responding at all, i have to re-plug it to USB.
    And also, i have tested it on Windows, connection is really slow.


    I have changed the USB cable with USB Y-cable, not changing anything.
    I made further tests and plugged my TP-Link adapter (Atheros chipset) and everything seems fine.

    There are mixed responses and solutions for my situtation, i have tried all. (Disabling network-manager, setting TX power, trying to install drivers which is unnecessary on Kali)
    I am willing to order a new adapter if Alfa is really buggy on Kali (or any OS)

    However, i would like to find a solution and the root of issue.
    Any ideas on my situtation?
    I can send detailed logs, even enable remote vnc or anything to resolve this.

    Thank you all.

  2. #2
    Join Date
    2014-Jun
    Posts
    71
    This happen to me as well. any solutions?

  3. #3
    Join Date
    2015-Mar
    Posts
    2
    Returning device to seller, no solutions for me.

  4. #4
    Join Date
    2014-Jun
    Posts
    71
    Happen to me as well, with both of my ALFA cards. the Alfa AWUS036H , Alfa AWUS036NHA
    Unsure how to troubleshoot the problem either. sometimes it will just quit working and the terminal will freeze.

  5. #5
    Join Date
    2013-Mar
    Posts
    18
    I have the same problem as well. I'm surprised there's no solid solution for this. It's a known issue with the RTL8187 driver from what I'm reading.

    Supposedly rmmod rtl8187 && rfkill block all && rfkill unblock all && modprobe rtl8187 && rfkill unblock all && ifconfig wlan0 up should fix it. Though when I did this, I still had problems.

  6. #6
    Join Date
    2013-Jun
    Posts
    94
    I have same problem, I just unplug it and plug it back in, some applications it happens all the time, others its rare. It happens a lot in a few of the applications where monitor mode is necessary. Not a big deal to me as I just unplug and restart monitor mode, other than that the devices are great. I am thinking of testing with a new device, maybe tplink next.

    Quote Originally Posted by martyr View Post
    Hello everyone,

    I have ordered Alfa Awus036H (RTL8187 chipset) about 1 week ago and still trying to make it working with Kali.
    Let me explain the whole issue:

    I have running Kali in my both desktop & laptop.
    Kali is working under VMware environment.

    However, my connection (not monX interface, just wlan0) is dropping every 1-2 minutes.
    Actually connection drops on some actions like:
    - Running ettercap
    - Any ARP command
    - Port scanning

    It looks like device is not responding at all, i have to re-plug it to USB.
    And also, i have tested it on Windows, connection is really slow.


    I have changed the USB cable with USB Y-cable, not changing anything.
    I made further tests and plugged my TP-Link adapter (Atheros chipset) and everything seems fine.

    There are mixed responses and solutions for my situtation, i have tried all. (Disabling network-manager, setting TX power, trying to install drivers which is unnecessary on Kali)
    I am willing to order a new adapter if Alfa is really buggy on Kali (or any OS)

    However, i would like to find a solution and the root of issue.
    Any ideas on my situtation?
    I can send detailed logs, even enable remote vnc or anything to resolve this.

    Thank you all.

  7. #7
    Join Date
    2014-Jun
    Posts
    71
    Quote Originally Posted by frafri View Post
    Happen to me as well, with both of my ALFA cards. the Alfa AWUS036H , Alfa AWUS036NHA
    Unsure how to troubleshoot the problem either. sometimes it will just quit working and the terminal will freeze.
    Same exact problem. Maybe we need to submit a bug report.
    My terminal will freeze as well.
    it sucks.
    I also cannot up the tx power to 30

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