Hi All, Can any one help me on these queries ?
Thanks & Regards, Venkat On Wed, Nov 21, 2018 at 11:27 PM vkrishnabhat k <[email protected]> wrote: > Hi, > Is it mandatory to run the DPDK l2fwd in guest machine and have Qemu-KVM > and OVS-DPDK in host machine. Then bind the physical NIC bound to DPDK to > OVS bridge br0 as ingress ports and also to bind guest VM to same bridge > br0 using dpdk vhostuser port as egress port ? Or is it possible to run all > the three (Quemu-KVM ,OVS-DPDK and l2fwd) in host machine itself ? > > Thanks & Regards, > Venkat > > > On Tue, Nov 20, 2018 at 11:07 PM vkrishnabhat k <[email protected]> > wrote: > >> Hi Ian, >> >> Good to hear from you, >> >> Yea, I am running DPDK sample application 'l2fwd'. But I am not running >> it on the virtual machine(guest). I am running it on the same Ubuntu >> machine (bare metal host) where I have installed Qemu-KVM and OVS_DPDK. I >> am using OVS version 2.10.90 and DPDK 11.7.4 LTS in the host machine. >> >> I am attaching all the screen shots again with this mail for your >> reference. >> >> Thanks in advance. >> >> Look forward to hear from you. >> >> Regards, >> Venkat >> >> On Mon, Nov 19, 2018 at 2:35 PM Ian Stokes <[email protected]> wrote: >> >>> On 11/18/2018 8:16 PM, vkrishnabhat k wrote: >>> > Hi Team, >>> > >>> > I am new to OVS and DPDK. While I am using l2fwd application with OVS >>> and >>> > DPDK I am seeing packet drop issue in OVS bridge. >>> > >>> > Topology : My topology has Ubuntu machine (Ubuntu 18.04 LTS). I have >>> > installed Qemu-KVM 2.11.1 version. Also I am using OVS-DPDK. Please >>> find >>> > the detailed topology attached with this mail. I have bound two NICs >>> (Intel >>> > 82599ES 10-gigabit ) to dpdk IGB_UIO driver and also have added same >>> ports >>> > in to OVS bridge "br0". I am trying to send the bidirectional traffic >>> from >>> > both the port and measure the throughput value for the l2fwd >>> application. >>> > >>> >>> > Could you please help me with below questions to understand l2fwd >>> better. >>> > >>> >>> Hi, just a few questions to clarify, I assume you mean you are running >>> the DPDK sample app 'l2fwd' in a Virtual machine that is also connected >>> to bridge br0 via a vhostuser port? >>> >>> > What is the reason for packet drops in OVS bridge ? >>> > What is the expected throughput value for l2fwd ? >>> > How to improve the performance of l2fwd to get better throughput value >>> ? >>> > Is it possible to send or can l2fwd handle layer 7 traffic ? >>> > >>> > I tried tuning performance by adding more number of Rx queues and >>> > increasing the Rx queue size as per the link " >>> > http://docs.openvswitch.org/en/latest/intro/install/dpdk/";, but it >>> didn't >>> > help much. >>> > >>> >>> Can you provide what versions of OVS and DPDK are being used in the host >>> and VM instances? >>> >>> > I have attached screen shots of the Topology, DPDK port statistics, OVS >>> > configurations with this mail. >>> >>> I don't see these attached, they may have been filtered. Could you copy >>> the output in these to the mail in text. >>> >>> Thanks >>> Ian >>> >>> > >>> > It will be really great if you could help me with this. >>> > >>> > Look forward to hear from you. >>> > >>> > Thanks in advance. >>> > >>> > Regards, >>> > Venkat >>> > >>> > >>> > >>> > _______________________________________________ >>> > dev mailing list >>> > [email protected] >>> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev >>> > >>> >>> _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
