[pve-devel] arp question

Stefan Priebe - Profihost AG s.priebe at profihost.ag
Tue Oct 30 09:01:32 CET 2012


Am 30.10.2012 07:29, schrieb Dietmar Maurer:
>> AFAIK, qemu-kvm sends gratuitous ARP:
>>
>> see http://www.mail-archive.com/kvm@vger.kernel.org/msg40289.html
>>
>> The code is in qemu-kvm/savevm.c: announce_self_create()
>>
>> but that uses invalid IP 0.
>
> Oh, it send an RARP request. Does the guest itself answers that request?

Sure the KVM Host doesn't know which IPs are configured in guest.

Maybe strange sysctl arp settings on host or guest?

# sysctl -a|grep arp

Stefan



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