Hi Anirudh, Is this still an issue for you?
I tried recreating the issue on my own system following your setup steps but I did not encounter any issue, I was able to ping both the OVS bridge and external VMs using vhostuser. If this is still an issue could your provide the OVS logs for you system when the problem occurs. Also the version of QEMU you are using in the host along with any setup steps you perform in the guest would be useful for debugging. Thanks Ian From: ovs-discuss-boun...@openvswitch.org [mailto:ovs-discuss-boun...@openvswitch.org] On Behalf Of Anirudh Chanagiri Sent: Thursday, February 22, 2018 5:31 AM To: b...@openvswitch.org Cc: Ramana Pillalamarri <ramana.pillalama...@riverbed.com>; Siddharth Mundle <siddharth.mun...@riverbed.com>; Corredor, Alejandro <alejandro.corre...@intel.com> Subject: [ovs-discuss] Facing issues while using OVS-DPDK based vhostuser interface. Hello everyone, We are having some issues using ovs-dpdk with vhostuser interface, Seeking your help on the same. Description of the issue : Setup Details: 1. Host is an Ubuntu 17.04. 2. We have created an open OVS switch with 2 arms , one arm of the switch is physical interface which is given to DPDK driver and the the other arm is the dpdkvhostuser interface, which is given to an ubuntu 16.04 VM. 3. Inside the Ubuntu VM , we are not running any DPDK based application. 4. We just want to check the connectivity of the guest VM to the outside world using DPDK-OVS Version details: 1. Open v switch version. ovs-vswitchd --version ovs-vswitchd (Open vSwitch) 2.8.0 2. Guest Ubuntu 16.04, Kernel version 4.4.0-62-generic 3. Host Ubuntu 17.04, Kernel version 4.13.0-32-generic 4. DPDK version 17.05.2 Problem description: We are unable to have connectivity to/from the VM using OVS-DPDK vhostuser interface. 1. If we assign an ip to the OVS bridge and try pinging it, even that doesn’t work. 2. If use a tun/tap interface instead of dpdkvhostuser interface the connectivity works fine. So the issue is specific to dpdkvhostuser interface. Seeking your help to resolve the same. Attaching the output of some useful commands and a setup diagram. Regards, Anirudh
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