So here is the monitor output in two cases. 1) when the controller is not started at all and i push down flows. it gets deleted after few seconds of getting added. my flow is the one sending to controller and forwarding to next port in_port=2 actions=CONTROLLER:6666,output:1
root@ccpu:~/openvswitch-2.1.0# ovs-ofctl monitor Switch_S1 watch: NXST_FLOW_MONITOR reply (xid=0x2): event=ADDED table=0 cookie=0 actions=NORMAL NXST_FLOW_MONITOR reply (xid=0x0): event=DELETED reason=delete table=0 cookie=0 actions=NORMAL NXST_FLOW_MONITOR reply (xid=0x0): event=ADDED table=0 cookie=0 in_port=2 actions=CONTROLLER:6666,output:1 NXST_FLOW_MONITOR reply (xid=0x0): event=DELETED reason=delete table=0 cookie=0 in_port=2 actions=CONTROLLER:6666,output:1 OFPT_ECHO_REQUEST (xid=0x0): 0 bytes of payload 2) second case when i stop the controller device while it was connected to switch having the same flows as above root@ccpu:~/openvswitch-2.1.0# ovs-ofctl monitor Switch_S1 watch: NXST_FLOW_MONITOR reply (xid=0x2): event=ADDED table=0 cookie=0 actions=NORMAL NXST_FLOW_MONITOR reply (xid=0x0): event=DELETED reason=delete table=0 cookie=0 actions=NORMAL NXST_FLOW_MONITOR reply (xid=0x0): event=ADDED table=0 cookie=0 in_port=2 actions=CONTROLLER:6666,output:1 OFPT_ECHO_REQUEST (xid=0x0): 0 bytes of payload NXST_FLOW_MONITOR reply (xid=0x0): event=DELETED reason=delete table=0 cookie=0 in_port=2 actions=CONTROLLER:6666,output:1 OFPT_ECHO_REQUEST (xid=0x0): 0 bytes of payload As we can see the delete command is being sent whenever it is not connected to controller. i don't think im sending any delete flows command from my script. should i be adding my flows with any particular parameter? i already have the idle_timeout=0,hard_timeout=0 Thanks for all the help On Thu, Sep 4, 2014 at 12:40 PM, Ben Pfaff <b...@nicira.com> wrote: > On Thu, Sep 04, 2014 at 11:49:19AM -0400, Krishna Pratap wrote: > > The switches would delete the traffic flows or any flow that i add on it > > if it is not connected to controller from the beginning or if I remove > > them later on after getting connected . > > if the switches have flows and try to connect to controller which is not > > started, they would eventually delete all the flows that were added on > them > > after few seconds. same happens if i stop the controller separately and l > > see the flows getting deleted. the flows remain if the controller is > active > > and connected. > > This is strange behavior. I recommend using "ovs-ofctl monitor <switch> > watch:" to see what is changing the flow table. > -- Best Regards, Krishna Pratap Singh
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