[ovs-discuss] Reacting on change of BFD session state

Ben Pfaff blp at ovn.org
Wed Jul 12 16:28:29 UTC 2017

On Tue, Jul 11, 2017 at 07:05:15PM +0000, Михаил Аграновский wrote:
> 1. OvS supports BFD. Does OvS react somehow on change of BFD session state?
> Does BFD connection fault means something for OpenFlow-driven part of OvS?
> 2. In general, I consider OvS as switch side for SD-WAN solution. Thus, the
> goal is to switch over links according to BFD session state. Are there some
> practices of interacting with OvS this way using OpenFlow?

OpenFlow "fast failover" groups can react, as can the Open vSwitch
extension "bundle" action.  I think that OVS bonds can react too.

The controller can also react.

I'm not sure how to differently answer these two questions.

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