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Thread: WNDA 4100 (NetGear N900) Wireless Dual Band USB Adapter

  1. #21
    Join Date
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    Re: WNDA 4100 (NetGear N900) Wireless Dual Band USB Adapter

    Quote Originally Posted by ericosaurus View Post
    That is fantastic, I got the 3573 driver and added the line you mentioned and it's up now!

    But, it isn't connecting to the router. It gets a Mac address for the AP, but never gets an ip address. Is this probably an authentication problem?

    I'm using WPA2PSK security mode in the rt2870sta.dat configuration file, should I be using WPA2 + wpa supplicant instead? How do I know when to use wpa supplicant?

    Thanks so much for your help
    Did you make this change in config.mk?
    3> In os/linux/config.mk
    <snip>
    ** Build for being controlled by NetworkManager or wpa_supplicant wext functions
    Please set 'HAS_WPA_SUPPLICANT=y' and 'HAS_NATIVE_WPA_SUPPLICANT_SUPPORT=y'.
    If not, please do and recompile:
    Code:
    sudo su
    make clean
    make
    make install
    modprobe -r rt3573sta
    modprobe rt3573sta
    exit
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  2. #22
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    Aug 2012
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    Re: WNDA 4100 (NetGear N900) Wireless Dual Band USB Adapter

    Yes, I had both of those set to "y".

    That means I don't need wpa_supplicant, correct?

  3. #23
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    Re: WNDA 4100 (NetGear N900) Wireless Dual Band USB Adapter

    You only 'need' wpa_supplicant if you intend to connect to an encrypted network. Ihope and assume yours is. Why do you ask, have you manipulated wpa_supplicant settings in some way?

    Are there any informative messages here?
    Code:
    dmesg | grep -i rt2
    dmesg | grep -e rt5 -e wlan
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  4. #24
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    Aug 2012
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    Re: WNDA 4100 (NetGear N900) Wireless Dual Band USB Adapter

    I have success!

    I didn't realize that the wpa_supplicant was required always, that flag that I set to yes that said "HAS_NATIVE_WPA_SUPPLICANT_SUPPORT" made me think it was included in the something native to the OS.

    Anyways, I was looking over the documentation from ralink carefully and saw the line giving the command to connect using wpa_supplicant, and that worked perfectly.

    Sorry to have hijacked the thread, but hopefully my experience can help the OP too.

    thanks very much chili!

  5. #25
    Join Date
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    Re: WNDA 4100 (NetGear N900) Wireless Dual Band USB Adapter

    Yep, can confirm this works.

    Thanks Chili!
    Yes, I'm Ubuntu Forums Member #4.

  6. #26
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    Aug 2012
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    Talking Re: WNDA 4100 (NetGear N900) Wireless Dual Band USB Adapter

    Today has been filled with a whole spectrum of emotions for me in regards to my switching from Windows 7 to Ubuntu 12.04...

    First was excitement, as I was excited to get off the corporate OS bandwagon...

    Then came the nerves, as I had no clue how to use the command line (which is obviously a necessity)

    Then came the frustration, as I couldn't get my wireless adapter (same as OP) to work

    Then I found this thread and the extremely helpful answers by chili555 and my emotions did a complete 180!

    I now have my Netgear N900 WNDA4100 wireless adapter working perfectly in Ubuntu 12.04, and I'm a complete n00b! lol

    Thank you very much chili555!!!

  7. #27
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    Re: WNDA 4100 (NetGear N900) Wireless Dual Band USB Adapter

    Glad it's working! Have fun!
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  8. #28
    Join Date
    Aug 2008
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    Ubuntu 12.04 Precise Pangolin

    Re: WNDA 4100 (NetGear N900) Wireless Dual Band USB Adapter

    Quote Originally Posted by chili555 View Post
    Glad it's working! Have fun!
    I've gone through this and can't find a clear list of steps to get to where b00n utnubu arrived. I there any way you could summarize what was done, so I could do it?

  9. #29
    Join Date
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    Re: WNDA 4100 (NetGear N900) Wireless Dual Band USB Adapter

    Quote Originally Posted by cecilieaux View Post
    I've gone through this and can't find a clear list of steps to get to where b00n utnubu arrived. I there any way you could summarize what was done, so I could do it?
    Before we proceed, let's verify what you have. Please run and post:
    Code:
    lsusb
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  10. #30
    Join Date
    Aug 2008
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    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: WNDA 4100 (NetGear N900) Wireless Dual Band USB Adapter

    I guess you're interested in the line

    Bus 001 Device 004 0846:9012 NetGear, Inc.

    Had to copy this on a Windows computer since I can't connect using my ubuntu 12.04 LTS.

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