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Thread: wired connection does not work

  1. #1
    Join Date
    May 2010
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    60

    wired connection does not work

    I have a dual boot machine....When i boot into windows my network works fine both wireless and wired connection

    when i boot into ubuntu i can only connect wirelessly i would like to use my router via the ehternet cable

    I have no idea how do diagnose the proble much less solve it i know that the machine sees the connection at eth0

    when i go into the network settings a wired connection is listed ...but it is never able to connect

    please help

    some how i know it is something simple if i had more knowledge of ubuntu

    i am using 12.10
    Last edited by perro68; April 12th, 2013 at 03:37 AM. Reason: SOLVED

  2. #2
    Join Date
    Feb 2009
    Location
    Dallas, TX
    Beans
    6,993
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Please help ...wired connection does not work

    Hi perro68.

    Could you post the results of these commands while trying to connect using your wired connection?
    Code:
    sudo lshw -C network
    
    lspci -nnk | grep -iA3 eth
    
    ifconfig
    
    route -n
    
    nslookup ubuntu.com
    
    dig ubuntuforums.org
    Regards.

  3. #3
    Join Date
    May 2010
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    60

    Re: wired connection does not work

    Thank you in advance for u help ...i do hope u will still help ....I will post when i get home ....I did not see your reply until after i got to work

  4. #4
    Join Date
    May 2010
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    60

    Re: wired connection does not work

    Ok this is what i get when trying to use my lan (wired) connection only
    the wireless connection works fine ..this is with wireess disconnected and trying to connect via the wired connection

    i hope u can help

    sudo lshw -C network

    Code:
    *-network               
           description: Ethernet interface
           product: AR8161 Gigabit Ethernet
           vendor: Atheros Communications Inc.
           physical id: 0
           bus info: pci@0000:01:00.0
           logical name: eth0
           version: 08
           serial: 78:e3:b5:b2:81:3b
           size: 1Gbit/s
           capacity: 1Gbit/s
           width: 64 bits
           clock: 33MHz
           capabilities: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
           configuration: autonegotiation=on broadcast=yes driver=alx driverversion=1.2.3 duplex=full firmware=N/A latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
           resources: irq:19 memory:fea00000-fea3ffff ioport:e000(size=128)
      *-network
           description: Wireless interface
           product: Ralink corp.
           vendor: Ralink corp.
           physical id: 0
           bus info: pci@0000:04:00.0
           logical name: wlan0
           version: 00
           serial: 68:94:23:39:1a:9f
           width: 32 bits
           clock: 33MHz
           capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
           configuration: broadcast=yes driver=rt2800pci driverversion=3.5.0-27-generic firmware=0.34 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
           resources: irq:19 memory:fe900000-fe90ffff
    Last edited by perro68; April 11th, 2013 at 11:04 PM.

  5. #5
    Join Date
    May 2010
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    60

    Re: wired connection does not work

    lspci -nnk | grep -iA3 eth
    Code:
    01:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR8161 Gigabit Ethernet [1969:1091] (rev 08)
        Subsystem: Hewlett-Packard Company Device [103c:2ae0]
        Kernel driver in use: alx
        Kernel modules: alx


    ifconfig


    Code:
    eth0      Link encap:Ethernet  HWaddr 78:e3:b5:b2:81:3b  
              inet6 addr: fe80::7ae3:b5ff:feb2:813b/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:4 errors:0 dropped:0 overruns:0 frame:0
              TX packets:57 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:2360 (2.3 KB)  TX bytes:15130 (15.1 KB)
              Interrupt:19 
    
    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:16436  Metric:1
              RX packets:168 errors:0 dropped:0 overruns:0 frame:0
              TX packets:168 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:14654 (14.6 KB)  TX bytes:14654 (14.6 KB)
    
    wlan0     Link encap:Ethernet  HWaddr 68:94:23:39:1a:9f  
              inet6 addr: fe80::6a94:23ff:fe39:1a9f/64 Scope:Link
              UP BROADCAST MULTICAST  MTU:1500  Metric:1
              RX packets:3153 errors:0 dropped:0 overruns:0 frame:0
              TX packets:2357 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:3550498 (3.5 MB)  TX bytes:389172 (389.1 KB)

    route -n

    Code:
    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface

    nslookup ubuntu.com

    Code:
    ;; connection timed out; no servers could be reached






    dig ubuntuforums.org
    Code:
    ; <<>> DiG 9.8.1-P1 <<>> ubuntuforums.org
    ;; global options: +cmd
    ;; connection timed out; no servers could be reached

  6. #6
    Join Date
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    Re: wired connection does not work

    No routing info - probably a bad thing...
    Does it have info when wireless?
    Linux User #415691 Ubuntu User #8629
    Iowa Team (LoCo): [Wiki] [Launchpad]
    IRC channel: #ubuntu-us-ia on irc.freenode.net

  7. #7
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    Re: wired connection does not work

    Quote Originally Posted by Iowan View Post
    No routing info - probably a bad thing...
    Does it have info when wireless?

    yes it does

    route -n gives

    Code:
    Kernel IP routing table
    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
    0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 wlan0
    192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 wlan0

  8. #8
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    May 2010
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    Re: wired connection does not work

    Quote Originally Posted by Iowan View Post
    No routing info - probably a bad thing...
    Does it have info when wireless?
    ifconfig gives
    Code:
    eth0      Link encap:Ethernet  HWaddr 78:e3:b5:b2:81:3b  
              inet6 addr: fe80::7ae3:b5ff:feb2:813b/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:39 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:0 (0.0 B)  TX bytes:9808 (9.8 KB)
              Interrupt:19 
    
    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:16436  Metric:1
              RX packets:152 errors:0 dropped:0 overruns:0 frame:0
              TX packets:152 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:12288 (12.2 KB)  TX bytes:12288 (12.2 KB)
    
    wlan0     Link encap:Ethernet  HWaddr 68:94:23:39:1a:9f  
              inet addr:192.168.1.103  Bcast:192.168.1.255  Mask:255.255.255.0
              inet6 addr: fe80::6a94:23ff:fe39:1a9f/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:1392 errors:0 dropped:0 overruns:0 frame:0
              TX packets:1112 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:1383434 (1.3 MB)  TX bytes:189960 (189.9 KB)

  9. #9
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    Re: wired connection does not work

    Sorry - my bad...
    What are results of route -n when wireless is active (working)?
    Linux User #415691 Ubuntu User #8629
    Iowa Team (LoCo): [Wiki] [Launchpad]
    IRC channel: #ubuntu-us-ia on irc.freenode.net

  10. #10
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    Re: wired connection does not work

    when wireless is active i get this

    yes it does

    route -n gives

    Code:
    Kernel IP routing table
    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
    0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 wlan0
    192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 wlan0

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