Either way, it doesn't matter. The question is, can you configure the Linux kernel qdiscs to do what you want? If so, then ovs-vswitchd can (possibly with some work) configure it that way too. If not, then you'll have to do some kernel work.
On Fri, Nov 11, 2011 at 03:49:21PM -0600, Shan Hu wrote: > Ben, you mean i run tc directly under openflow network or normal network? > > > ----- Original Message ----- > From: "Ben Pfaff" <b...@nicira.com> > To: "Shan Hu" <sxh102...@utdallas.edu> > Cc: "Shan Hu" <shan...@utdallas.edu>, discuss@openvswitch.org > Sent: Thursday, November 10, 2011 9:39:55 AM > Subject: Re: [ovs-discuss] queue table priority problem > > Well, can you get it to do what you want by running "tc" directly to > configure a qdisc? If so, there is probably a bug in ovs-vswitchd that > we can fix. If not, then the priority is not going to work. > > On Thu, Nov 10, 2011 at 12:12:12AM -0600, Shan Hu wrote: > > So do you mean the priority is not gonna work? > > > > On Nov 9, 2011, at 10:20 PM, Ben Pfaff <b...@nicira.com> wrote: > > > > > On Wed, Nov 09, 2011 at 07:48:38PM -0600, Shan Hu wrote: > > >> I try to reserve bandwidth and limit rate with the queue table, it works > > >> great with pyswitch module,but it doesnt work with routing module[nox > > >> controller], actually im wondering should i post this question to > > >> nox-dev mailing list since it does work in one case. > > >> > > >> But i still have one problem with the queue table,i tried to set > > >> priority to two queues i had, but seems it doesnt work, and i could not > > >> find any cookbook for this priority part,my configuration is as below,is > > >> there something wrong with it? > > >> > > >> ./ovs-vsctl set port eth2 qos=@newqos -- --id=@newqos create qos > > >> type=linux-htb queues=0=@q0,1=@q1 -- --id=@q0 create queue > > >> other-config:min-rate=600000000 other-config:max-rate=700000000 > > >> other-config:priority=50 -- --id=@q1 create queue > > >> other-config:min-rate=400000000 other-config:max-rate=500000000 > > >> other-config:priority=100 > > >> > > >> this setting does limit rates of two queues to 600Mbps~700Mbps and > > >> 400Mbps~500Mbps,respectively. But when i tried to use two queues at the > > >> same time,their rates both slow down. > > > > > > In this setup, OVS just configures the HTB qdisc. You are probably just > > > seeing poor shaping by the HTB qdisc. _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
