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Fwd: [Xen-users] Changing MAC address of vifs in dom0

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Fwd: [Xen-users] Changing MAC address of vifs in dom0
From: Blah Blah <cpnmagnet1@xxxxxxxxx>
Date: Fri, 13 Aug 2010 00:19:51 -0500
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---------- Forwarded message ----------
From: Blah Blah <cpnmagnet1@xxxxxxxxx>
Date: Wed, Aug 11, 2010 at 11:35 PM
Subject: Re: [Xen-users] Changing MAC address of vifs in dom0
To: James Harper <james.harper@xxxxxxxxxxxxxxxx>

This is actually a *NIX network, bunch of debian, opensuse, etc.  I'm trying to set it to the lladdr range reserved for xen (00:16:3e:xx:xx:xx).  I've even tried setting it to its current address (FE:FF:FF:FF:FF:FF).

On Wed, Aug 11, 2010 at 6:49 PM, James Harper <james.harper@xxxxxxxxxxxxxxxx> wrote:
> Yep, I've tried bringing the vif down (ip link set <dev> down,
ifconfig <dev>
> down) but it still refuses to change the mac.  The vifs are also
connected to
> the bridge, so I've even tried bringing the bridge down, removing the
vif from
> the bridge, and then bringing the vif down and changing the mac.  That
> as well.
> Could this be a distro specific bug?

What lladdr are you using? You aren't trying to set a global or
broadcast address are you? I know windows insists that the 'local' bit
is set in the mac address.


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