OVS forwards Ethernet packets, which contain 6-byte MAC addresses. OVS has some support for forwarding IPv4 and IPv6 as well, which don't contain any MAC addresses at all. I don't know how OVS would even encounter Infiniband frames.
On Tue, Jan 13, 2015 at 08:48:23PM +0000, Chris Beasley wrote: > Hi Ben, > > Thanks. Sorry I suppose I should have been a little more specific. > > The issue that I can tell (from recent posts on the Citrix support > forum) relates to the length of the MAC address. Infiniband HBA's > appear to have a length greater than 6 bytes (?) which was the limit > I found OVS uses for MAC addresses in various posts. This renders > OVS from working when bridging Infiniband cards to Virtual Machines > as it truncates to the MAC to 6 bytes and therefore cannot use the > HBA. Using linux bridging does work, but for things like Xenserver > I'm not sure what it would mean. > > Cheers, > > Chris > > -----Original Message----- > From: Ben Pfaff [mailto:[email protected]] > Sent: Wednesday, 14 January 2015 9:35 a.m. > To: Chris Beasley > Cc: [email protected] > Subject: Re: [ovs-discuss] Does OpenVswitch support IP over Infiniband yet? > > On Tue, Jan 13, 2015 at 08:32:55PM +0000, Chris Beasley wrote: > > I've read a number of mailing list posts and forum posts regarding the > > use of IPoIB that seem to indicate a lack of support in Openvswitch > > for the mac address length. Has this been changed in the newer > > versions? I'm currently looking at infiniband HBAs for a cheap 10Gbps > > network in Xenserver but unless OVS has support for the cards then > > what I have read suggests it won't work well. > > OVS doesn't have any special support for IP over Infiniband. _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
