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Thread: Connected to wlan router but no internet connection

  1. #1

    Default Connected to wlan router but no internet connection

    I'm using openSuSE Tumbleweed (upgraded from 13.1), and it is always a problem for me to have internet connection.
    I use network manager, and connect to the wlan router with WPA2 Personal (psk) security setting. I don't have any problem in connecting to the router, which i can go to the router setting page, however, i cannot go outside. I'm sure my router settings are correct.

    Using the same router but connect through cable, then everything is perfect.

    I have another laptop which is running Kubuntu, similar situation is happened in general. However, more strangely, using Kubuntu, on one day the wireless connection was perfect, both connecting to the router and to the internet. But on the next day, it returns to the general problematic situation, which is able to connect to the router but not the internet. Therefore, i guess the router settings are correct.

    It is very WEIRD ...

    I'm looking forward in your experience and suggestions, thanks in advance

  2. #2
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    Default Re: Connected to wlan router but no internet connection

    Hi
    That would indicate gateway and/or DNS problem. When you connect via wireless, open a terminal session and run;
    Code:
    /sbin/route
    cat /etc/resolv.conf
    Do you see the router ip address in the first command, do you see nameserver entries in the second?

    Does your router show DNS entries?
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  3. #3

    Default Re: Connected to wlan router but no internet connection

    Quote Originally Posted by malcolmlewis View Post
    Hi That would indicate gateway and/or DNS problem. When you connect via wireless, open a terminal session and run;
    Code:
     /sbin/route cat /etc/resolv.conf
    Do you see the router ip address in the first command, do you see nameserver entries in the second? Does your router show DNS entries?
    Thank you for your reply All of them are fine when i got the internet connection, however, when the connection was suddenly out (while the connection to the router stayed), resolv.conf remained the same but the route was just blank.

    However, i found something insane: When the internet connection was dropped, i have around 20-30 % chance to get it back after repeatly running traceroute (traceroute www.google.com). I just wonder if it can be a result of faulty router...

  4. #4
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    Default Re: Connected to wlan router but no internet connection

    On Fri 07 Feb 2014 10:26:01 PM CST, franzkrystian wrote:


    malcolmlewis;2622813 Wrote:
    > Hi That would indicate gateway and/or DNS problem. When you connect
    > via wireless, open a terminal session and run; >

    Code:
    --------------------
    > > /sbin/route cat /etc/resolv.conf

    --------------------
    > > Do you see the router ip address in the first command, do you see

    > nameserver entries in the second? Does your router show DNS
    > entries? Thank you for your reply All of them are fine when i got
    > the internet

    connection, however, when the connection was suddenly out (while the
    connection to the router stayed), resolv.conf remained the same but the
    route was just blank. However, i found something insane: When the
    internet connection was dropped, i have around 20-30 % chance to get it
    back after repeatly running traceroute (traceroute www.google.com). I
    just wonder if it can be a result of faulty router...


    Hi
    Sounds like the wireless maybe flaky on the router, your router is not
    being affected by other routers on the same channel perhaps? If you
    run (as root user);
    Code:
    iwlist scan
    There is another tool you could use to display graphically;
    http://software.opensuse.org/package...rm=wifiplotter


    --
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    openSUSE 13.1 (Bottle) (x86_64) GNOME 3.10.2 Kernel 3.11.10-7-desktop
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!


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