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Thread: openSUSE fresh install does not connect to network

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  1. #1

    Default openSUSE fresh install does not connect to network

    I have openSUSE 13.2 x64 installed on laptop and desktop. On the second one it's impossible to connect to network, while on the first one it works ok. Network settings on both computers are 100% identical, network is controled by KDE NetworkManager (that shows "Connected" with zero in-\outcoming speeds), using of cloned MAC-address doesn't help: desktop cannot ping even gateway. Before openSUSE there was Linux Mint 14 x32, and everything worked. What should I do to fix that?

    Network card data:
    Code:
    Ethernet controller: Qualcomm Atheros Attansic L1 Gigabit Ethernet (rev b0)Subsystem: ASUSTek Computer Inc. P5KPL-VM Motherboard
    Flags: bus master, fast devsel, latency 0, IRQ 36
    Memory at fdbc0000 (64-bit, non-prefetchable) [size=256K]
    Expansion ROM at fbda0000 [disabled] [size=128K]
    ...
    Kernel driver in use: atl1
    Kernel modules: atl1

  2. #2
    Join Date
    Feb 2009
    Location
    Spain
    Posts
    25,547

    Default Re: openSUSE fresh install does not connect to network

    On 2015-05-18 09:06, wimoza wrote:

    > Network card data:


    Start by posting the output of ifconfig, route, and

    Code:
    cat /etc/resolv.conf | egrep -v "^[[:space:]]*$|^#"
    --
    Cheers / Saludos,

    Carlos E. R.

    (from 13.1 x86_64 "Bottle" (Minas Tirith))

  3. #3

    Default Re: openSUSE fresh install does not connect to network

    Here they are.

    ifconfig -a:
    Code:
    enp4s0    Link encap:Ethernet  HWaddr ##:##:##:##:##:##
              inet addr:192.168.229.#  Bcast:192.168.229.255  Mask:255.255.255.0
              inet6 addr: fe80::21a:92ff:fe05:fdb2/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:26 errors:0 dropped:0 overruns:0 frame:0
              TX packets:10 errors:0 dropped:0 overruns:0 carrier:1
              collisions:0 txqueuelen:1000 
              RX bytes:1560 (1.5 Kb)  TX bytes:744 (744.0 b)
    
    
    lo        Link encap:Local Loopback  
              inet addr:127.0.0.1  Mask:255.0.0.0
              UP LOOPBACK RUNNING  MTU:65536  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
    route:
    Code:
    Kernel IP routing table
    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
    default         192.168.229.1   0.0.0.0         UG    1024   0        0 enp4s0
    192.168.229.0   *               255.255.255.0   U     0      0        0 enp4s0
    cat /etc/resolv.conf | egrep -v "^[[:space:]]*$|^#"
    Code:
    search wimoza
    nameserver 46.175.163.229
    nameserver 46.175.161.230

  4. #4
    Join Date
    Feb 2009
    Location
    Spain
    Posts
    25,547

    Default Re: openSUSE fresh install does not connect to network

    On 2015-05-18 16:26, wimoza wrote:
    >
    > Here they are.
    >
    > ifconfig -a:


    Ok, you have an IP.


    >
    > route:


    And the routing seems correct.


    > cat /etc/resolv.conf | egrep -v "^[[:space:]]*$|^#"
    >
    > Code:
    > --------------------
    > search wimoza
    > nameserver 46.175.163.229
    > nameserver 46.175.161.230
    > --------------------


    Here there is a problem, because those servers do not respond properly.
    I tried them myself, and got:

    Code:
    cer@minas-tirith:~> host google.com 46.175.161.230
    Using domain server:
    Name: 46.175.161.230
    Address: 46.175.161.230#53
    Aliases:
    
    Host google.com.valinor not found: 5(REFUSED)
    cer@minas-tirith:~> host google.com 46.175.163.229
    
    Using domain server:
    Name: 46.175.163.229
    Address: 46.175.163.229#53
    Aliases:
    
    Host google.com.valinor not found: 5(REFUSED)
    cer@minas-tirith:~>
    cer@minas-tirith:~> host google.com 46.175.161.230
    Using domain server:
    Name: 46.175.161.230
    Address: 46.175.161.230#53
    Aliases:
    
    Host google.com.valinor not found: 5(REFUSED)
    cer@minas-tirith:~>

    The proper response is this:

    Code:
    cer@minas-tirith:~> host google.com 8.8.8.8
    Using domain server:
    Name: 8.8.8.8
    Address: 8.8.8.8#53
    Aliases:
    
    google.com has address 216.58.210.174
    google.com has IPv6 address 2a00:1450:4003:808::200e
    google.com mail is handled by 10 aspmx.l.google.com.
    google.com mail is handled by 50 alt4.aspmx.l.google.com.
    google.com mail is handled by 20 alt1.aspmx.l.google.com.
    google.com mail is handled by 30 alt2.aspmx.l.google.com.
    google.com mail is handled by 40 alt3.aspmx.l.google.com.
    cer@minas-tirith:~>

    So you have to manually change your DNS addresses to somewhere else.


    --
    Cheers / Saludos,

    Carlos E. R.

    (from 13.1 x86_64 "Bottle" (Minas Tirith))

  5. #5

    Default Re: openSUSE fresh install does not connect to network

    Well, these addresses are given by my provider and laptop, from which I'm currently writing, uses them sucessfully (as well as the same network cable).
    Applying hosts command on laptop in my case gives:
    Code:
    host google.com 46.175.161.230
    Using domain server:
    Name: 46.175.161.230
    Address: 46.175.161.230#53
    Aliases: 
    
    
    google.com has address 216.58.209.174
    google.com has IPv6 address 2a00:1450:400d:807::200e
    google.com mail is handled by 50 alt4.aspmx.l.google.com.
    google.com mail is handled by 10 aspmx.l.google.com.
    google.com mail is handled by 20 alt1.aspmx.l.google.com.
    google.com mail is handled by 30 alt2.aspmx.l.google.com.
    google.com mail is handled by 40 alt3.aspmx.l.google.com.
    
    host google.com 46.175.163.229
    Using domain server:
    Name: 46.175.163.229
    Address: 46.175.163.229#53
    Aliases: 
    
    
    google.com has address 216.58.209.206
    google.com has IPv6 address 2a00:1450:400d:807::200e
    google.com mail is handled by 10 aspmx.l.google.com.
    google.com mail is handled by 40 alt3.aspmx.l.google.com.
    google.com mail is handled by 20 alt1.aspmx.l.google.com.
    google.com mail is handled by 30 alt2.aspmx.l.google.com.
    google.com mail is handled by 50 alt4.aspmx.l.google.com.
    While desktop tells only:
    Code:
    ;; connection timed out; no servers could be reached
    I have internet access via local network provider, if that is important.

  6. #6
    Join Date
    Feb 2009
    Location
    Spain
    Posts
    25,547

    Default Re: openSUSE fresh install does not connect to network

    On 2015-05-18 17:16, wimoza wrote:
    >
    > Well, these addresses are given by my provider and laptop, from which
    > I'm currently writing, uses them sucessfully (as well as the same
    > network cable).
    > Applying hosts command on laptop in my case gives:


    Ah, then it means that your provider blocks access to those DNS to the
    world outside, so that I get the error I do. Your problem is different.

    Instead, try to ping yourself, your router, and those DNS:

    ping 192.168.229.XXX
    ping 192.168.229.1
    ping 46.175.163.229

    Let's find out where it fails.



    > I have internet access via local network provider, if that is important.


    I thought so, looking at the whois output for your DNS. Some one
    described in the mail list that type of setup some years ago. Should not
    be important, but who knows.


    --
    Cheers / Saludos,

    Carlos E. R.

    (from 13.1 x86_64 "Bottle" (Minas Tirith))

  7. #7

    Default Re: openSUSE fresh install does not connect to network

    My IP is pinged successfully, while gateway and DNS pings output single PING message (about sending data), delay for a long and then report "Host is unreachable".

    Perhaps I also should mention that I have static IP configuration (in local network).

  8. #8
    Carlos E. R. NNTP User

    Default Re: openSUSE fresh install does not connect to network

    On 2015-05-19 07:06, wimoza wrote:
    >
    > My IP is pinged successfully, while gateway and DNS pings output single
    > PING message (about sending data), delay for a long and then report
    > "Host is unreachable".


    That's bad.

    You do have a connectivity problem, if pings to the router fail.

    Reboot the router, just to try.

    Check/change cables. If the card has a LED, does it light up?

    I would not know about your ethernet hw, how well the kernel supports it.

    > Perhaps I also should mention that I have static IP configuration (in
    > local network).


    No, irrelevant - assuming that the router/GW address is correct. You
    should verify that, too.

    --
    Cheers / Saludos,

    Carlos E. R.
    (from 13.1 x86_64 "Bottle" at Telcontar)

  9. #9

    Default Re: openSUSE fresh install does not connect to network

    There's no router, just the cable, which is ok as laptop connects via it. LED indicators light as they should.

    I suspect that there's software\hardware incompatibility, how can I make sure in that?

  10. #10
    Carlos E. R. NNTP User

    Default Re: openSUSE fresh install does not connect to network

    On 2015-05-20 08:06, wimoza wrote:
    >
    > There's no router, just the cable, which is ok as laptop connects via
    > it. LED indicators light as they should.


    Ah. One cable to the wall, I forgot.

    Maybe your provider binds the connection to a single MAC address. As
    your desktop has a different one than your laptop, it would not work.

    It is the same issue with cable providers around here: you can not
    change the router, because a new one has a new MAC.


    > I suspect that there's software\hardware incompatibility, how can I make
    > sure in that?


    Dunno. Besides plugin a new network card, or taking the computer
    somewhere else and testing the connection there.

    Get a crosscable and connect laptop to desktop machine direct. Test.
    Or direct cable with a switch in the middle.


    --
    Cheers / Saludos,

    Carlos E. R.
    (from 13.1 x86_64 "Bottle" at Telcontar)

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