[ovs-discuss] Problem with qos & queue settings

Anand Daga ananddaga14 at gmail.com
Fri Jul 20 19:51:45 UTC 2012


I run iperf between vm1(10.70.11.86 with iperf server iperf -s) & vm2
(10.70.11.87 with iperf client).

Vm1 & vm2 are on different hypervisors.

I set qos on eth0 max rate = 1 GB
I create 2 queues on eth0.
q0: max rate 1GB, min rate 100 MB
q1: max rate 1GB, min rate 900 MB


Case 1: I run iperf without inserting flows. iperf -c 10.70.11.86 -i2 -t1000
The iperf shows 200 Mbps BW.

Case 2: I insert the following flow: & then run iperf...
f01 = {"switch": "00:00:1a:69:4e:87:31:7d", "name":"flow-mod-01",
"cookie":"0", "priority":"32768", "dst-port":"5001", "ether-type":"0x0800",
"protocol":"6", "active":"true", "actions":"output=normal,enqueue=1:1"}

The iperf shows 0 or 4.19 Mbps BW.

But i expect it to be near the same 200 Mbps because I'm putting it in
900MB queue.
M i doing something wrong in the queue or qos configuration?

Thanks,
Anand
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