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SubjectRe: [Xen-devel] [RFC PATCH 34/35] Add the Xen virtual network device driver.
Date
On Tuesday 09 May 2006 15:01, Herbert Xu wrote:
> Christian Limpach <Christian.Limpach@cl.cam.ac.uk> wrote:
> >
> > There's at least two reasons why having it in the driver is preferable:
> > - synchronizing sending the fake ARP request with when the device is
> > operational -- you really want to make this well synchronized to keep
> > unreachability as short as possible, especially when doing live
> > migration
> > - anybody but the guest might not know (all) the MAC addresses for which
> > to send a fake ARP request
>
> Sure. However, what's there to stop you from doing this in user-space
> inside the guest?

I guess they don't trust user space. But the standard ipup script
from iproute2 does this already so at least for modern distributions
it should just work.

-Andi
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