[ovs-discuss] OVS Stale Flows in OpenFlow Beacon

[Dmita Levy]

Forum thread for anyone interested in this issue:
https://openflow.stanford.edu/forums/topic/300-open-vswitch-stale-flows/

On Thu, Jul 25, 2013 at 6:38 PM, David Erickson <derickso at stanford.edu>wrote:

>  Hi Dmita,
> At first glance I'd say there is some Beacon side debugging to be done
> first before considering a possible OVS issue.  Lets work through it on the
> Beacon forum and then come back here if needed.
>
> David
>
>
> On 7/25/2013 2:15 PM, Dmita Levy wrote:
>
> Hello,
>
> When I connect a Host running OVS to a Floodlight controller, there are no
> problems and the OVS Bridges on that Host work properly. When connected to
> an OpenFlow Beacon controller I get a warning about "Stale Flows" and then
> a timeout and disconnect. Subsequently, the connection to the controller is
> terminated and I am unable to ping at all, as if OVS shut down the link and
> will not allow any traffic out. Not sure if this is a Beacon issue or OVS
> issue so I posted on both.
>
>
> osgi> 16:52:41.422 [pool-2-thread-1] INFO  n.b.core.internal.Controller -
> Started thread
> Thread[pool-2-thread-1,5,spring-osgi-extender[7844ffb2]-threads] for IOLoop
> IOLoop [id=0 stream_count=0]
> 16:52:41.428 [SpringOsgiExtenderThread-9] INFO
> n.b.core.internal.Controller - Beacon Core Started
> 16:52:41.867 [SpringOsgiExtenderThread-14] INFO
> n.b.core.internal.Controller - Controller listening on *:6633
> 16:53:16.266 [pool-2-thread-2] INFO  n.b.core.internal.Controller - Switch
> connected from java.nio.channels.SocketChannel[connected local=/
> 172.16.1.254:6633 remote=/172.16.1.2:43288]
> 16:53:16.275 [pool-2-thread-2] INFO  n.b.core.internal.Controller - Added
> switch OFSwitchImpl [Socket[addr=/172.16.1.2,port=43288,localport=6633]
> DPID[?]] to IOLoop IOLoop [id=0 stream_count=1]
> 16:54:08.804 [pool-2-thread-2] INFO  n.b.core.internal.Controller - Switch
> connected from java.nio.channels.SocketChannel[connected local=/
> 172.16.1.254:6633 remote=/172.16.1.2:43289]
> 16:54:08.806 [pool-2-thread-2] INFO  n.b.core.internal.Controller - Added
> switch OFSwitchImpl [Socket[addr=/172.16.1.2,port=43289,localport=6633]
> DPID[?]] to IOLoop IOLoop [id=0 stream_count=2]
> 16:54:17.247 [pool-2-thread-1] *WARN  n.b.routing.internal.Routing -
> Stale flows detected* from 00:0c:ce:12:b2:15 to Device
> [dataLayerAddress=00:0c:ce:12:b2:15, swId=00:00:00:19:b9:1a:f9:ff,
> swPort=1, networkAddresses=], lastSeen=1374785657247], removing existing
> flows
> 16:54:25.429 [Timer-2] INFO  n.b.core.internal.Controller - Switch
> liveness timeout detected 10030ms, disconnecting OFSwitchImpl [Socket[addr=/
> 172.16.1.2,port=43288,localport=6633] DPID[00:00:1a:3a:10:2b:91:45]]
> 16:54:25.429 [Timer-2] INFO  n.b.core.internal.Controller - Switch
> disconnected OFSwitchImpl [Socket[addr=/172.16.1.2,port=43288,localport=6633]
> DPID[00:00:1a:3a:10:2b:91:45]]
> 16:54:27.428 [Timer-2] INFO  n.b.core.internal.Controller - *Switch
> liveness timeout* detected 10182ms, disconnecting OFSwitchImpl
> [Socket[addr=/172.16.1.2,port=43289,localport=6633]
> DPID[00:00:00:19:b9:1a:f9:ff]]
> 16:54:27.428 [Timer-2] INFO  n.b.core.internal.Controller - *Switch
> disconnected OF*SwitchImpl [Socket[addr=/172.16.1.2,port=43289,localport=6633]
> DPID[00:00:00:19:b9:1a:f9:ff]]
>
>
> Thanks Always!
> Dmita
>
>
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