OpenDaylight deletes all the rules when OVS connects. You have to find a way to prevent OpenDaylight from deleting rules.
> On Mar 18, 2015, at 3:41 PM, Lavanya M.K <mk.lava...@gmail.com> wrote: > > Thanks Peter for the suggestion. > I tried the script, but what i am noticing is that the flow rules that the > script adds gets deleted very quickly. I tried adding idle_timeout=0 > hard_timeout=0 to the flowrules to ensure that it never gets deleted. But its > not of use. How do i make a permanent flow entry in the flow table? > > This is an example of flow rule additions from the leafandspine.py script: > > call(['ovs-vsctl', 'set', 'bridge', switch, > 'protocols=OpenFlow10,OpenFlow13']) > call(['ovs-ofctl', '-O', 'OpenFlow13', 'add-flow', switch, 'table=0 > priority=100 idle_timeout=0 hard_timeout=0 actions=goto_table:1 ']) > > Thanks, > Lavanya > > > On Sun, Mar 15, 2015 at 9:17 AM, Peter Phaal <peter.ph...@inmon.com > <mailto:peter.ph...@inmon.com>> wrote: > The leafandspine.py script described in the following article provides an > example that you could modify for your OpenDaylight setup. > > http://blog.sflow.com/2014/04/mininet-integrated-hybrid-openflow.htm > <http://blog.sflow.com/2014/04/mininet-integrated-hybrid-openflow.htm> > > You need to find a way to prevent the controller from flushing openflow rules > on startup for this approach to work. There are efforts to support hybrid > openflow in OpenDaylight > > http://blog.sflow.com/2014/09/hp-proposes-hybrid-openflow-discussion.html > <http://blog.sflow.com/2014/09/hp-proposes-hybrid-openflow-discussion.html> > > Peter Phaal > InMon Corp. > > > On Mar 14, 2015, at 11:42 PM, Lavanya M.K <mk.lava...@gmail.com > > <mailto:mk.lava...@gmail.com>> wrote: > > > > Hi All, > > > > I want to have static ECMP configuration in openvswitches used in a fat > > tree topology DCN(simulated in Mininet). The first packet should not be > > sent to the controller. Can i do this by ovs commands to install flow rules > > into group table? > > The controller version i am using is OpenDayLight Hydrogen, which does not > > support writing into group table. > > > > Thanks, > > Lavanya > > _______________________________________________ > > discuss mailing list > > discuss@openvswitch.org <mailto:discuss@openvswitch.org> > > http://openvswitch.org/mailman/listinfo/discuss > > <http://openvswitch.org/mailman/listinfo/discuss> >
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