Yes, I did found that info in https://github.com/openvswitch/ovs/blob/master/FAQ.md
The problem is, in an in-band scenario, will the messages to the controllers *always* be processed by those hidden flows? And can I modify such flows as I wish? Pedro Maia <[email protected]> escreveu no dia quinta, 17/12/2015 às 14:09: > No, in mininet by default each switch is “directly” connected to the > controller. > You configure a ip address at each switch in a interface that is also used > to forward traffic, this way it will always have the “in-band behaviour”. > When you do this openvswitch will create a few hidden flows with a higher > priority that the controller can configure which you will able to see > executing “ovs-appctl bridge/dump-flows s1”. > > Regards, > Pedro > > On 17 Dec 2015, at 13:26, André Mantas <[email protected]> wrote: > > Hi. > > I thought in-band was default in mininet topologies? > > Anyway, sometimes OvS processes control messages using ingress tables > <http://openvswitch.org/pipermail/discuss/2015-December/019580.html> in > "in-band" environments, and it can be configured to always have this > behavior > <http://openvswitch.org/pipermail/discuss/2015-December/019582.html>. I > wanted to know how to make this configuration. > > Thanks for your help. > > Pedro Maia <[email protected]> escreveu no dia quinta, 17/12/2015 > às 10:51: > >> Hi Andre, >> >> An in-band controller just means that it sits in the “middle” of the >> network connected to a given switch. This way when some switch sends a >> packet in it uses the link it normally uses to forward traffic. >> If you want to emulate it using mininet there are a few examples just >> look for "in-band controller mininet”, for example >> http://techandtrains.com/2013/10/04/in-band-controller-with-mininet/ . >> The important thing is to give each switch a ip address and then run the >> controller in a mininet host. >> >> Regards, >> Pedro >> > On 17 Dec 2015, at 10:23, André Mantas <[email protected]> wrote: >> > >> > Hi all. >> > >> > I want to configure in-band control so that specific controller-switch >> messages (i.e., barrier reply, bundle commit reply) are processed by the >> ingress tables instead of being forwarded through the switch's controller >> port. >> > >> > Is there any documentation on how to configure in-band control? >> > >> > Thanks in advance. >> > _______________________________________________ >> > discuss mailing list >> > [email protected] >> > http://openvswitch.org/mailman/listinfo/discuss >> >> >
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