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xen-devel
RE: [Xen-devel] brctl troubles - solved
I made a quickie perl script that converts the doted-quad IP to hex and
uses "DE:AD" + the IP in hex for the mac. Then I noticed that xen
increments the 3rd hex pair to make the unique mac for the vifx.x
interface. 8-P I was wondering if it wouldn't be better to choose DE:AD
and DE:AE for the first 2 elements of the random macs so you know it's a
xen box, and b: isn't DE: reserved for virtual use? Or is it another mac
range for virtual macs?
Is there a way to tell xm create what mac ady to use for the vifx.x
interface? I'd like to use a formula of my own creation to set the macs.
ALl of my IPs are in the 10.x.x.x ranges. I can simply ifconfig down the
vif, set the mac via ifconfig, then ifconfig up it, but this is a
hassle. :)
I've also run into the trouble where if you have ipv6 on a debian
machine loaded and configured, the standard network script barfs
unpredictably on transfering the IPs and routes when it's called for
start and stop. 8-P
On Tue, 2004-10-12 at 22:02, James Harper wrote:
> I think that if the lsb in the first byte of a mac address is '1' then
> the mac address is a broadcast address which would explain why you were
> getting errors. There should be an rfc or something somewhere which
> explains this.
>
> James
>
> > -----Original Message-----
> > From: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
> > admin@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Brian Wolfe
> > Sent: Wednesday, 13 October 2004 03:19
> > To: Xen Devel Mailing List
> > Subject: [Xen-devel] brctl troubles - solved
> >
> > ok, discovered the problem. :) Aprantly the mac addrs I was using gets
> > spit back as a bad mac by the kernel. 8-/ I spose I'll have to come up
> > with a new config scheme. *sigh*
> >
> >
> >
> >
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