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RE: [Xen-devel] Re: [Xen-users] Release 0.9.10 of GPL PV Drivers for Windows / jumbo frames and xen netback changes


  • To: "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>, Pasi Kärkkäinen <pasik@xxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Sun, 22 Jun 2008 21:08:49 +1000
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Sun, 22 Jun 2008 04:09:21 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcjQdtp2GP4D7DxqEd2vHgAX8io7RQD4RMhQ
  • Thread-topic: [Xen-devel] Re: [Xen-users] Release 0.9.10 of GPL PV Drivers for Windows / jumbo frames and xen netback changes

> 
> So long as you advertise feature-sg in xenstore then netback will allow
> the
> mtu to be increased to jumbo sizes. This doesn't happen automatically --
> the
> user will need to increase mtu both in the vif inside the guest and on the
> vif exposed in dom0. But apart from that it will work!
> 

Well then it may actually 'just work' in the windows drivers. The MTU is 
settable in the normal way for a windows network driver (although I've never 
tested it). If you do test it please let me know the outcome.

Keir: Have you ever considered having the back end publish its MTU to the 
frontend, so the two can be kept in sync?

James

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