On Sun, May 8, 2016 at 9:08 AM, 한솔 <[email protected]> wrote: > Hi, all. > > I'm trying to show how to forwarding table is installed. > > I'm using 3 Lithium controllers and each controller(c1, c2, c3) have 1 > switch(s1, s2, s3) > > c1 c2 c3 > l l l > s1-s2-s3 > > and ping s1 to s3 > Are these controller running in clustered mode? You mentioned that it's lithium controller, but if you are using openflowplugin default plugin, it does not support clustering in lithium release.
is there any host connected to your switches, just want to know how are you pinging switch to switch. > > I have two questions about above test. > > 1) As I know, only when the new packet came in to switch, switch send > Packet_in message to controllers. and then controller send Flow_mod message > to switch to forwarding new packet. but when I command s1 ping s3, > Packet_in message is occurred periodically (5 seconds), and there is no > Flow_mod message, Is this right operation? > Packet that you see after every 5 seconds are LLDP packets that controller send to the switch to discover the topology. > > 2) In clustering environment, Do all switches between the source and > destination are sending packet_in message to the controller ? > that depends on the application that you are using in the controller. If you are using l2switch and flood flows are enabled then it will just install flows on the switches that enabled the normal l2 forwarding. > > > thanks. > > _______________________________________________ > openflowplugin-dev mailing list > [email protected] > https://lists.opendaylight.org/mailman/listinfo/openflowplugin-dev > > -- Thanks Anil
_______________________________________________ openflowplugin-dev mailing list [email protected] https://lists.opendaylight.org/mailman/listinfo/openflowplugin-dev
