Re: [Xen-users] Code path for Gratuitous ARP in live migration

[Sylvain Munaut <s.munaut@xxxxxxxxxxxxxxxxxxxx>]

Hi,

> Yes, because devices are reconnected after the migration, which triggers
> that path.

Thanks.

I've now confirmed the gratuitous ARP is properly sent.

I can see it in a tcpdump on the VM itself, and using tcpdump -i any
on the dom0.

However I never see it on the network itself, nor on the dom0 on the
bridge interface.
So either something is blocking it somewhere (bridge code or
iptables), it it's sent before the VIF is attached to the bridge.

Cheers,

    Sylvain

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