I'am using 2.5.0 2016-08-02 13:08 GMT+09:00 Ben Pfaff <b...@ovn.org>:
> 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.) > > > >
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