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Thread: Ubunutu 13.10 Internet stopped working - LAN works fine.

  1. #1
    Join Date
    Apr 2014
    Beans
    1

    Ubunutu 13.10 Internet stopped working - LAN works fine.

    Hi Everyone,

    I've searched quite a bit for a solution to this problem but nothing I've found seems to work. I'm a complete noob with Linux, so any assistance would be much appreciated.

    My Situation:
    I've recently installed Ubuntu 13.10 on a PC (Dual boot with Windows 7). The PC is connected to my router via an ethernet cable. When running on Windows 7, I can access other PCs on the LAN, and the internet. When running Ubuntu, I can access other PCs on the LAN, but not the internet.

    Further Details:
    - Initially the internet was working from Ubuntu, but it stopped quite suddenly (I haven't changed anything intentionally). I've tried reboots, enabling/disabling the network adapter, nothing seems to work.
    - My router ip is 192.168.0.1. I have the PC in question set to use DHCP, and it is usually assigned 192.168.0.13.
    - If I try to ping google.com, it seems to be able to resolve the domain name to an ip addr, but I get "Destinatin Port Unreachable"
    Code:
    PING google.com (62.254.36.187) 56(84) bytes of data.
    From 192.168.0.13 icmp_seq=1 Destination Port Unreachable
    From 192.168.0.13 icmp_seq=2 Destination Port Unreachable
    From 192.168.0.13 icmp_seq=3 Destination Port Unreachable
    From 192.168.0.13 icmp_seq=4 Destination Port Unreachable
    - In other posts with similar problems, people ask for the output of "ifconfig", and "route -n", so here's mine:
    Code:
    eth0      Link encap:Ethernet  HWaddr bc:5f:f4:67:21:be  
              inet addr:192.168.0.13  Bcast:192.168.0.255  Mask:255.255.255.0
              inet6 addr: fe80::be5f:f4ff:fe67:21be/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:91041 errors:0 dropped:0 overruns:0 frame:0
              TX packets:214041 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:8772112 (8.7 MB)  TX bytes:252118482 (252.1 MB)
    
    
    lo        Link encap:Local Loopback  
              inet addr:127.0.0.1  Mask:255.0.0.0
              inet6 addr: ::1/128 Scope:Host
              UP LOOPBACK RUNNING  MTU:65536  Metric:1
              RX packets:1526 errors:0 dropped:0 overruns:0 frame:0
              TX packets:1526 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:201469 (201.4 KB)  TX bytes:201469 (201.4 KB)
    Code:
    Kernel IP routing table
    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
    0.0.0.0         192.168.0.1     0.0.0.0         UG    0      0        0 eth0
    192.168.0.0     0.0.0.0         255.255.255.0   U     1      0        0 eth0
    Thanks for reading this far! If you have any suggestions I'd love to hear them.

  2. #2
    Join Date
    Mar 2010
    Location
    India
    Beans
    8,175
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubunutu 13.10 Internet stopped working - LAN works fine.

    Welcome to the forums James!

    What are the outputs of -
    Code:
    nm-tool
    ping -c4 192.168.0.1
    ping -c4 8.8.8.8
    sudo lshw -C network
    ??
    Varun
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