todd.deshane at xen
Mar 12, 2011, 7:37 AM
On Fri, Mar 11, 2011 at 11:48 PM, Virajith Jalaparti
Re: [Xen-users] Xen live migration: from where is the ARP sent?
<virajith.j [at] gmail> wrote:
> I was hoping someone could help me out with a question I had about the live
> migration of Xen.
> I am trying to perform live migration of a VM using Xen 3.4.3. When
> paravirtualization is used, a gratuitous arp is sent out after the VM is
> restored at the new location (I did not find such an arp being sent when the
> VM is fully virtualized). Is this arp sent out by xen (the hypervisor) or
> the modified operating system? If the arp is sent by xen, which part of the
> xen code (which file?) actually sends out this arp? If the arp is not sent
> by xen, is it possible to send an arp from xen rather than the OS? I think
> we would require to know the IP address and the MAC address of the VM for
> this purpose.
Maybe a search through the code would be helpful:
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