Re: [Xen-devel] network-bridge script reworked

[Ted Kaczmarek <tedkaz@xxxxxxxxxxxxx>]

On Wed, 2005-10-19 at 16:45 -0700, Nivedita Singhvi wrote:
> Ted Kaczmarek wrote:
> 
> >>We have seen the old script get things into a state whereby the machine's
> >>routing tables claim to be going through peth0 rather than eth0.  At the 
> >>very
> >>least, if this happened with two Xen machines on the network, then one would
> >>complain about packets coming from the other, and I have observed this 
> >>behaviour
> >>directly.
> >>
> >>Can anyone claim to have seen the error message with only one Xen machine on
> >>the network?
> >>
> >>Ewan.
> > 
> > Nope, I have repeatedly tested and have only seen this when the
> > domU's/DomO's share a broadcast domain on the peth interface. Been
> > running test bed where eth0 is disconnected and xen-br0 is enslaved to
> > it for almost two days now. Not a single instance of this message.
> 
> Ted, are you saying only one machine, or was that multiple machines?
> Because we have not seen it with a single machine on the network (ok,
> would someone from the "big shop" correct me if they have?).
> 
> Jerone has been trying to recreate it right now and hasn't seen it
> so far.
> 
> I believe it is the scenario that Ewan describes above.
> 
> thanks,
> Nivedita

With 2 machines and dom0/U's  sharing a broadcast domain this problem
always occurs.


Ted




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