What version of Open vSwitch are you using?
On Tue, Aug 02, 2016 at 11:29:22AM +0900, 허지민 wrote: > Thank you for answering. > > I'm not sure if I understood right. > > The answer is saying that, if I don't change source or destination, bucket > selection won't be redone? > > Well, I am using group table for my project, and each bucket in the group > has > different weight. When I tested group table, I found out that after long > term without networking, the selection has changed and send packets to > different bucket. > > How does weight of the bucket influence the selection??? > > 2016-08-02 2:10 GMT+09:00 Ben Pfaff <b...@ovn.org>: > > > On Mon, Aug 01, 2016 at 05:39:10PM +0900, 허지민 wrote: > > > I am working on a project using group table select. > > > > > > I am figuring out how group table select one of the buckets that is added > > > in the group. > > > > This is in the FAQ. > > > > ### Q: How does OVS divide flows among buckets in an OpenFlow "select" > > group? > > > > A: In Open vSwitch 2.3 and earlier, Open vSwitch used the destination > > Ethernet address to choose a bucket in a select group. > > > > Open vSwitch 2.4 and later by default hashes the source and > > destination Ethernet address, VLAN ID, Ethernet type, IPv4/v6 > > source and destination address and protocol, and for TCP and SCTP > > only, the source and destination ports. The hash is "symmetric", > > meaning that exchanging source and destination addresses does not > > change the bucket selection. > > > > Select groups in Open vSwitch 2.4 and later can be configured to > > use a different hash function, using a Netronome extension to the > > OpenFlow 1.5+ group_mod message. For more information, see > > Documentation/group-selection-method-property.txt in the Open > > vSwitch source tree. (OpenFlow 1.5 support in Open vSwitch is still > > experimental.) > > _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
