[ovs-discuss] [ovs-dev] How to set QoS for VM egress traffic on tunnel mode

Ben Pfaff blp at ovn.org
Tue Nov 28 18:40:07 UTC 2017


On Wed, Nov 22, 2017 at 09:50:54AM +0000, 王志克 wrote:
> Hi All,
> 
> I want to set QoS with guide from below link “egress traffic shaping”, but do not know how for tunnel mode.
> http://docs.openvswitch.org/en/latest/faq/qos/
> 
> My scenario:
> 
> I have several VM ports, and several VxLan ports in br0, and there is one seprate eth0 port (not in br0), which is the underlay port of Vxlan port.
> Currently I add rule to match VM traffic to certain Vxlan port, and all these vxlan ports would go out through eth0.
> 
> Now I want to enable egress traffic shaping, eg:
> VM1 goes out with min_rate=10M, max_rate=100M.
> VM2 goes out with min_rate=50M, max_rate=200M.
> 
> In the given example in http://docs.openvswitch.org/en/latest/faq/qos/ chapter “egress traffic shaping”, it directly uses the physical port. But in tunnel case, I can NOT specify the physical port directly.
> So how to configrue egress traffic shaping in tunnel case? Appreciate some example configruation. Thanks.

You would want to configure shaping on the physical output port in this
case.


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