From mboxrd@z Thu Jan  1 00:00:00 1970
From: Olivier Blanc <olivier.blanc@dgfip.finances.gouv.fr>
Subject: RE: Xen 3.3.1 live migration : unsolicited ARP
Date: Fri, 29 May 2009 13:44:11 +0200
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> > 
> >  I would like to understand the condition that makes the live
> migration
> >  process to generate the unsolicited ARP REPLY, as I could never get
> it
> >  to be generated !
> > 
> > Do you have any pointer to help me understand the process ?
> > 
> 
> Do you have STP enabled on your bridge? If enabled, it could delay the
> bridge port coming up for long enough that the ARP packet gets lost.
> 
> James 

No STP is off in my bridge and forwardDelay is set to 0.

And the bridge port is ready very quickly, if I set the following
parameters value in the "ntable" of the bridge to 
reachable -> 12
delay_probe -> 20
ucast_probes -> 0

Then I lose only 2 ping transactions (less than 2 secs) to the migrated
DOMU. 

Olivier