Re: Ghost traffic seen in all guest on a kvm hypervisor

Linux Advanced Routing and Traffic Control

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Make sure your bridge doesn't have an "bridge_maxage 0" configured or otherwhise your software-switch will behave like a hub. 

On Mon, Mar 24, 2014 at 02:57:37AM +0100, Dennis Jacobfeuerborn wrote:
> Hi,
> I have a problem on a kvm hypervisor that I cannot explain. It
> appears that some traffic shows up in the interface monitoring in
> all of the guests on that hypervisor. We are not using broadcasts in
> any way and I see peaks of 100mbit for several minutes on all of
> these systems.
> 
> Does anybody have an idea what could cause this?
> 
> Regards,
>   Dennis
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