Make sure you are not using Mininet’s TCLink (—link tc) — it currently 
conflicts with OVS’s use of tc, and vice-versa.

> On Apr 29, 2015, at 11:52 PM, Haleema Sadia Mahmood 
> <[email protected]> wrote:
> 
> Hey everyone,
> 
> So I am trying to configure queues on a mininet topology. The command that I 
> use is, (here s1-eth1 is my port 1) 
> 
> sudo ovs-vsctl set port s1-eth1 qos=@newqos - -  - -id=@newqos create qos 
> type=linux-htb queues=0=@q0  - -  - -id=@q0 create queue 
> other-config:max-rate=100000000 other-config:min-rate=5000000 - -
> 
> The qos is attached to the port, checked it from sudo ovs-vsctl list port 
> s1-eth1, and the queues are created.
> 
> But when I try to use the command 
> sudo ovs-ofctl queue-stats s1 s1-eth1 -O OpenFlow13
> 
> it returns : OFPST_QUEUE reply (OF1.3) (xid=0x4): 0 queues
> 
> And when I try
> sudo ovs-ofctl queue-stats s1 -O OpenFlow13
> 
> it returns: OFPST_QUEUE reply (OF1.3) (xid=0x2): 0 queues
> 
> I am using OVS 2.3.90, and the version of OpenFlow version is 1.3.
> 
> Also when I try to check the queues with iperf sending udp packets on the 
> queue created, the rate is not limited on the queue.
> 
> Any ideas what am I missing while setting this queue?
> 
> Thanks!
> 
> Best,
> Haleema
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