Thanks Mark, just figured that myself, i wasn't using the latest OVS, so mtu_request wasn't working.. Appreciate your help.
Regards Kapil. On Tue, Sep 27, 2016 at 8:47 PM, Kavanagh, Mark B <mark.b.kavan...@intel.com > wrote: > > > >Hi, > > > >Is there a way to configure MTU for dpdk and vhost ports from its default > 1500 ? > >I read, "with OVS, Normally the MTU should be changed using operating > system specific > >interfaces (e.g. ifconfig).", but as they are dpdk ports, how can i > configure them ? > > > > Hi Kapil, > > Depending on the version of OvS that you're using, you may use the > Interface's 'mtu_request' field to modify the MTU of DPDK-type ports. > > From INSTALL.DPDK-ADVANCED.md: > > "By default, DPDK ports are configured with standard Ethernet MTU > (1500B). To > enable Jumbo Frames support for a DPDK port, change the > Interface's `mtu_request` > attribute to a sufficiently large value. > > e.g. Add a DPDK Phy port with MTU of 9000: > > `ovs-vsctl add-port br0 dpdk0 -- set Interface dpdk0 type=dpdk -- > set Interface dpdk0 mtu_request=9000` > > e.g. Change the MTU of an existing port to 6200: > > `ovs-vsctl set Interface dpdk0 mtu_request=6200`" > > This functionality is currently supported on OvS Master and 2.6 branches. > > Hope this helps, > Mark > > >Regards > >Kapil > _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
