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Re: [Xen-users] Debug network failures

from [Rubén Marrero]

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Subject:	Re: [Xen-users] Debug network failures
From:	Rubén Marrero <ruben@xxxxxxxx>
Date:	Fri, 23 Apr 2010 15:17:59 -0400 (EDT)
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anyone?

De: "Rubén Marrero" <ruben@xxxxxxxx>
Para: xen-users@xxxxxxxxxxxxxxxxxxx
Enviados: Martes, 20 de Abril 2010 13:47:53
Asunto: [Xen-users] Debug network failures

Hi list!

I have a couple of Tyan transport servers with a mix of CentOS 5.4, CentOS 5.3 and Ubuntu server 9.10 as DomUs.

The Dom0 is CentOS 5.4 on both boxes. Networking is xen bridged with a mix of public and private IPs for the DomUs which works as intended most of the time.

Everything works fine, but suddenly some of my virtual machines at random intervals lose connectivity, mainly the Ubuntus that work as internal and external DNS. Sometimes I need to restart networking on the machines, sometimes I need to reboot the DomUs to regain connectivity.

Instead of pasting lots of config files, could you point me in the right direction where can I start debugging?

Thanks,
Rubén

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