You didn't specify any watch ports, so the behavior won't depend on the output ports.
On Thu, Jul 14, 2016 at 09:15:49AM +0200, james hopper wrote: > How would OVS -2.5 group behave when one of the member output port fails. > Would > it continue sending packets on the failed link for the flows which have been > mapped? Would it map the new flows on the failed link? > > Sent: Wednesday, July 13, 2016 at 9:00 PM > From: "Ben Pfaff" <[email protected]> > To: "Balázs Brunáczky" <[email protected]> > Cc: [email protected] > Subject: Re: [ovs-discuss] OVS select group bug(?) > On Thu, Feb 11, 2016 at 11:56:46AM +0100, Balázs Brunáczky wrote: > > Dear All, > > > > I've spent my last days with playing group tables, and I have a feeling that > > the select group isn't working properly or I do something wrong. > > > > I defined the group table with > > > > "ovs-ofctl -O OpenFlow13 add-group br0 > > group_id=1,type=select,bucket=output:3,bucket=output:4" > > > > command and added the flow with this one: > > > > ovs-ofctl -O OpenFlow13 add-flow br0 ip,nw_dst=1.2.3.2,actions=group:1 > > > > Then I ping'ed the 1.2.3.2, but all packets go out on the 4th port instead > > of round robining between 3 and 4. > > > > ARP requests are handled correctly, both sides know the MAC addresses. > > > > Could you please help what I do wrong? > > Select groups don't do round robin. > > The FAQ says: > > ### 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 > [email protected] > http://openvswitch.org/mailman/listinfo/discuss _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
