On Tue, Aug 30, 2016 at 11:24 AM, Manish Chopra <manish.cho...@qlogic.com> wrote: > Hi Jesse, > > > > I am trying GENEVE tunneling via OVS bridge port using ovs-vsctl tool on my > two servers which are connected back to back > > and running latest net-next kernel. > > > > eth1- 192.168.44.44 > > eth2- 192.168.44.45 > > br2 [Setup 1] – 192.168.55.44 > > br2 [Setup 2] - 192.168.55.45 > > > > > > Setup 1 > Setup 2 > > ########################## > ######################### > > OVS br2 -------------- eth1 - ### --------------------------------------- > ### - eth2 ---------------OVS br2 > > ########################## > ######################### > > > > I have configured OVS using below commands - > > > > Setup 1 > > ovs-vsctl add-br br2 > > ovs-vsctl add-port br2 gnv0 -- set interface gnv0 type=geneve > options:remote_ip=192.168.44.45 options:key=01 options:dst_port=4789 > > > > Setup 2 > > ovs-vsctl add-br br2 > > ovs-vsctl add-port br2 gnv0 -- set interface gnv0 type=geneve > options:remote_ip=192.168.44.44 options:key=01 options:dst_port=4789 > > > > When I run traffic between both OVS bridge – I see that it uses geneve > header of size 8 bytes. > > I was wondering if I could use GENEVE with options using OVS ? which would > have geneve header size more than 8 bytes ? > > > > I couldn’t find anything about what arguments I should be using with > ovs-vsctl on both setups to use GENEVE with options ? > > Could you please supply necessary configuration/commands which I can try to > use GENEVE with options while running traffic ??
In order to use options with Geneve tunnels, you'll need to map TLVs onto a set of tun_metadataXXX fields, which can then be used with any OVS flow mechanism, such as matches and actions. There is some information on how to do this in the ovs-ofctl man page: https://github.com/openvswitch/ovs/blob/v2.5.0/utilities/ovs-ofctl.8.in#L427 You'll need to be using OVS 2.5 or newer to do this. I also noticed that you're configuring port 4789 for the tunnels. Any port will work as long as both sides are configured the same way but this is a bit odd since it is the port assigned to VXLAN. Geneve has been assigned UDP port 6081 and OVS will use this by default if no port is explicitly configured. _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
