weird network issue

weird network issue

Omer Zak w1 at zak.co.il
Mon Feb 14 13:22:40 IST 2011


hmmmm....
1. What do the following commands say:
     ifup --version
     ifup --verbose eth0
2. What are the contents of:
     /etc/network/interfaces
   (if it exists - I use Debian Lenny and I am not familiar
    with CentOS 5.5)

On Mon, 2011-02-14 at 13:06 +0200, Hetz Ben Hamo wrote:
> Hi Omer,
> 
> On Mon, Feb 14, 2011 at 12:50 PM, Omer Zak <w1 at zak.co.il> wrote:
>         Hello Hetz,
>         1. Does the virtual machine have additional network cards
>         (eth1, eth2,
>         etc.)?  If yes, you may be accessing the network via those
>         cards rather
>         than via eth0. (Statement about proper routing withstanding.)
> 
> 
> Nada. eth0, lo - nothing more.
>  
>         2. Which Linux distribution is running in the virtual machine?
> 
> 
> Centos 5.5 64 bit + updates.
>  
>         
>         Google search (rtnetlink answers network is unreachable)
>         yielded the
>         following possibilities:
>         - Misconfigured IP address in firewall script.
> 
> 
> No new IP addresses were added. Default firewall configuration.
>  
>         - Network card does not exist (as far as the virtual machine
>         is
>         concerned).
> 
> 
> exists, I'm ssh'ed to this machine as I write this mail :)
>  
>         - Misconfigured network card.
> 
> 
> I posted the configuration here. Looks OK to me.
>  
>         
>         Two of the URLs I got from the above Google search:
>         http://www.linuxquestions.org/questions/linux-networking-3/server-ifup-rtnetlink-answers-network-is-unreachable-problem-340915/
>         https://bugzilla.redhat.com/show_bug.cgi?id=155299
>         
>         
> Looked at both of them. Didn't see anything special which could help.
> 
> 
> Hetz
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