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Re: [libvirt] necessary to limit container's network bandwidth when use physical nic in container?



于 2012年10月15日 16:52, Michal Privoznik 写道:
> On 15.10.2012 10:35, Gao feng wrote:
>> we can use tc to limit container's network bandwidth when the container uses veth device.
>> because one of the veth devices will be seen in the host.so we can set tc rules on this
>> device on the host.
>>
>> I want to know if it's necessary to limit container's network bandwidth when the container
>> uses a physical nic device. because this nic device is only used by this container.
>>
>> And if this is necessary,Be there any good idea?
>>
>> Thanks!
>>
> 
> Well, that depends. If you expect you guest to consume all bandwidth
> then you need to set a floor on root eth. Guest is then still able to
> use the full bandwidth, however if there are some packets for the host
> those get prioritized. In general, it's a good idea, but to tell for
> sure one should learn more about your usage scenario.
> 

But we can't see container's nic device in host,how can we set a floor on
container's root eth?

Thanks!


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