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Re: [Xen-users] Weird arp problem

On Mon, Mar 15, 2010 at 3:15 PM, Manuel SUBREDU
<manuel.subredu@xxxxxxxxx> wrote:
> Each blade has 8 cores, 32GB of memory
> and 2 network cards, connected trough two ethernet passtrough modules
> into a Cisco Catalyst 3750G series.

>  The problem: random, when we start or stop a virtual machine, the dom0
> network connection hangs. Dom0 doesn't respond to ping or anything else.

I'm guessing it has to do with spanning tree (portfast) setting on
your switch. Try changing you current setting.

When functioning as Xen dom0, the server will behave (networking-wise)
more like a switch instead of a single host, so some adjustments might
be required on your uplink switches. Set it the same way you would if
its connected to another switch.


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