Sorry. This was a similar question but the problem I am facing now is different from what I had earlier asked. Hence, I posted as a new question. I didn't know that I had to continue asking even different doubts related to the first question as replies to the earlier mails. I ll do so hereafter.
> From: je...@nicira.com > Date: Thu, 10 Jan 2013 09:17:50 -0800 > Subject: Re: [ovs-discuss] Enqueueing traffic from different machines. > To: cerisierfi...@hotmail.com > CC: discuss@openvswitch.org > > Please stop starting new threads about the same question.. > > On Thu, Jan 10, 2013 at 3:27 AM, Mathumitha S <cerisierfi...@hotmail.com> > wrote: > > Hi, > > I have OpenvSwitch installed in a computer that has a quad port. > > eth3, eth4 and eth5 are connected to br0 with respective open flow port > > numbers as 1,3,2 and the respective IP addresses of the machines connected > > to the ports are 10.6.3.2, 10.6.1.2 and 10.6.2.2 > > > > I use eth3 and eth4 i.e ports 1 and 3 as input port and eth5 (port 2) as > > output port of OvS. I created 3 queues at eth5 using the following command: > > > > ovs-vsctl -- set port eth5 qos=@newqos -- --id=@newqos create qos > > type=linux-htb other-config:max-rate=1000000000 queues=0=@q0,1=@q1,2=@q2 -- > > --id=@q0 create queue other-config:min-rate=1000000 > > other-config:max-rate=1000000 -- --id=@q1 create queue > > other-config:min-rate=20000000 other-config:max-rate=20000000 -- --id=@q2 > > create queue other-config:min-rate=10000000 other-config:max-rate=10000000 > > > > I used the following commands to define the flows: > > > > ovs-ofctl add-flow br0 "in_port=2,actions=flood" > > ovs-ofctl add-flow br0 "in_port=1,priority=0,actions=enqueue:2:0" > > ovs-ofctl add-flow br0 "in_port=3,priority=0,actions=enqueue:2:0" > > ovs-ofctl add-flow br0 > > "in_port=3,dl_type=0x0800,nw_proto=6,tp_dst=6000,priority=7,actions=enqueue:2:2" > > ovs-ofctl add-flow br0 > > "in_port=1,dl_type=0x0800,nw_proto=6,tp_dst=6005,priority=7,actions=enqueue:2:1" > > > > I use iperf at the machines to generate traffic and I got the expected rates > > of 20 Mbps and 10 Mbps (approx) for the machines connected to ports 1 and 3 > > respectively. > > > > But if I change the max-rate values for the queues and set it equal to the > > max-rate of the qos, I get rates as 100 Mbps for both the machines even if I > > generate traffic at the same instant. > > > > The command used is > > ovs-vsctl -- set port eth5 qos=@newqos -- --id=@newqos create qos > > type=linux-htb other-config:max-rate=1000000000 queues=0=@q0,1=@q1,2=@q2 -- > > --id=@q0 create queue other-config:min-rate=1000000 > > other-config:max-rate=1000000 -- --id=@q1 create queue > > other-config:min-rate=20000000 other-config:max-rate=100000000 -- --id=@q2 > > create queue other-config:min-rate=10000000 other-config:max-rate=100000000 > > > > If I generate traffic at the same time from both machines, then the > > available bandwidth should be shared between the 2 queues in the ratio of > > their respective weights, right? But then why am I not able to see the > > bandwidth sharing? Please let me know where I am going wrong. > > > > If I queue 2 different flows from the same machine in different queues, then > > I can see that the bandwidth is shared. But when I use traffic from 2 > > different machines connected to 2 different input ports, I am not able to > > see the bandwidth sharing. Where am I making a mistake? > > > > Thank you > > > > Regards, > > Mathumitha > > > > _______________________________________________ > > discuss mailing list > > discuss@openvswitch.org > > http://openvswitch.org/mailman/listinfo/discuss > >
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