Re: [Xen-users] Xen with NIC Bonding on Debian Etch ?

[Mark Nielsen <mnielsen@xxxxxxxxxx>]

John Madden wrote:
> On Tue, 2007-10-16 at 16:04 +0200, Artur MÃcke wrote:
>   
> > Unfortunately its not working yet but I dont know why. This is what I
> > did, after I read your howto and (kind of) understood it:
> >
> > The configuration looks different in debian but I think that doesnt
> > care.
> >
> > /etc/modprobe.d/arch/i386
> > =========================
> > alias bond0 bonding
> > options bond0 miimon=100 mode=0 
> >     
> It may be significant that mode=0 is different from mode=6. This may
> become significant on an ethernet bridge, where you're already horking
> with layer 2 (MAC's) and the failure you're seeing sounds like an ARP
> problem, so...
>
> I wasn't able to get anything other than mode=1 to work and I assume
> it's due to ARP issues.  Everything in dom0 works just fine, but as soon
> as a domU tries to ping something on the same subnet, its connection
> drops.
>
> It seems to me that bonding, bridging, and Xen don't really work.  Why
> else would there be no formal documentation on this from Xen/Xensource,
> Red Hat, etc? =)
>
> John
>
>
>
>   
While it's not "official" documentation, I have a how-to written for Xen 
+ bonding + vlans on RHEL 5 using mixed bond modes (1 and 4 LACP).
http://www.certifried.com/files/Xen_networking.odt

again, this is all on RHEL 5, so you maybe won't get so much out of it 
since you're running Debian. So far we have 6 bridges configured that 
are each on different VLANs and I can mix and match any combination 
inside the VM (up to 4 of couse since that's the eth limit inside a VM 
currently). This all over bonded copper (mode 1) and bonded fiber (mode 4).
Mark

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