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Thread: Wireless network connection very unstable.

  1. #11
    Join Date
    Apr 2012
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    18

    Re: Wireless network connection very unstable.

    Try unplugging the router power from the back and leaving it out for 10 seconds, then plugging it back in. If you haven't already.

  2. #12
    Join Date
    Jul 2012
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    18

    Re: Wireless network connection very unstable.

    Quote Originally Posted by ectechnologies View Post
    Try unplugging the router power from the back and leaving it out for 10 seconds, then plugging it back in. If you haven't already.
    I've tried this multiple times with no success. This problem has affected every WiFi connection I've used, so I think it's a problem with my network card and not the routers.

  3. #13
    Join Date
    Apr 2012
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    18

    Re: Wireless network connection very unstable.

    Try this, these 2 will take down and put up all network interfaces:

    Press Ctrl-Alt-T

    sudo ifdown -a
    sudo ifup -a
    Let me know how it works.

  4. #14
    Join Date
    Jul 2012
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    18

    Re: Wireless network connection very unstable.

    Quote Originally Posted by ectechnologies View Post
    Try this, these 2 will take down and put up all network interfaces:

    Press Ctrl-Alt-T

    sudo ifdown -a
    sudo ifup -a
    Let me know how it works.
    Still suffering from disconnecting problems. =/

  5. #15
    Join Date
    Apr 2012
    Beans
    18

    Re: Wireless network connection very unstable.

    It is seeming more and more like a provider issue.

    I've done all i know how to do, I apologize. If everything else you do fails, I would contact your provider and see if they are having any issues.

    I'm going off now, sorry I couldn't help.

  6. #16
    Join Date
    Jul 2012
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    18

    Re: Wireless network connection very unstable.

    Quote Originally Posted by ectechnologies View Post
    It is seeming more and more like a provider issue.

    I've done all i know how to do, I apologize. If everything else you do fails, I would contact your provider and see if they are having any issues.

    I'm going off now, sorry I couldn't help.
    Alright, well thanks for trying to help. It's a frustrating problem, even more so as I have to attend live, online sessions for school frequently. Can anyone else help me out?

  7. #17
    Join Date
    Apr 2012
    Beans
    7,256

    Re: Wireless network connection very unstable.

    A few more things you can try

    1. look in dmesg to see if there are actually any driver errors being reported

    Code:
    dmesg | grep -e 'ath9k' -e 'interface'
    where interface is your wireless interface (wlan0 or whatever)

    2. use the wireless tools to see if there are any nearby routers using the same channel as yours and possibly interfering

    Code:
    nmcli dev wifi list
    or if you don't have nmcli,

    Code:
    sudo iwlist [interface] scan
    If there are, try editing your router config to use a different channel

  8. #18
    Join Date
    Jul 2012
    Beans
    18

    Re: Wireless network connection very unstable.

    Quote Originally Posted by steeldriver View Post
    A few more things you can try

    1. look in dmesg to see if there are actually any driver errors being reported

    Code:
    dmesg | grep -e 'ath9k' -e 'interface'
    where interface is your wireless interface (wlan0 or whatever)

    2. use the wireless tools to see if there are any nearby routers using the same channel as yours and possibly interfering

    Code:
    nmcli dev wifi list
    or if you don't have nmcli,

    Code:
    sudo iwlist [interface] scan
    If there are, try editing your router config to use a different channel
    dmesg | grep -e 'ath9k' -e 'wlan0'
    Code:
    [   15.896779] ath9k 0000:03:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
    [   15.896804] ath9k 0000:03:00.0: setting latency timer to 64
    [   16.036445] ieee80211 phy0: Selected rate control algorithm 'ath9k_rate_control'
    [   16.037436] Registered led device: ath9k-phy0
    [   17.325814] ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [   17.330020] ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [   25.878678] wlan0: authenticate with 4c:e6:76:fa:18:d5 (try 1)
    [   25.880176] wlan0: authenticated
    [   25.906504] wlan0: associate with 4c:e6:76:fa:18:d5 (try 1)
    [   25.908022] wlan0: RX AssocResp from 4c:e6:76:fa:18:d5 (capab=0x11 status=0 aid=2)
    [   25.908026] wlan0: associated
    [   25.911899] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
    [   36.003382] wlan0: no IPv6 routers present
    [  116.526860] wlan0: deauthenticating from 4c:e6:76:fa:18:d5 by local choice (reason=3)
    [  120.487416] wlan0: authenticate with 4c:e6:76:fa:18:d5 (try 1)
    [  120.488964] wlan0: authenticated
    [  120.501692] wlan0: associate with 4c:e6:76:fa:18:d5 (try 1)
    [  120.503262] wlan0: RX ReassocResp from 4c:e6:76:fa:18:d5 (capab=0x11 status=0 aid=2)
    [  120.503272] wlan0: associated
    [  131.432340] wlan0: no IPv6 routers present
    I didn't find any channel interference with the second command.

  9. #19
    Join Date
    Apr 2012
    Beans
    7,256

    Re: Wireless network connection very unstable.

    Hmm... are you using WEP? I was just looking at this yesterday for another poster and there seem to be reports of a kernel regression bug related to WEP in the ath9k driver

    If you *are* using WEP can you change to WPA? (WEP is strongly discouraged anyway because of poor security)

  10. #20
    Join Date
    Jul 2012
    Beans
    18

    Re: Wireless network connection very unstable.

    Quote Originally Posted by steeldriver View Post
    Hmm... are you using WEP? I was just looking at this yesterday for another poster and there seem to be reports of a kernel regression bug related to WEP in the ath9k driver

    If you *are* using WEP can you change to WPA? (WEP is strongly discouraged anyway because of poor security)
    Nope, I'm not running on WEP security.

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