I'm trying to achieve communication across an OVS switch between to VMs
connected together via an ovs bridge. I was able to do this with a ovs
bridge with to generic libvirt 'network' types. I'm failing to replicate
using DPDK vhost.
In libvirt 'network' scenario vnet[0,1] ports are added to the bridge that
also has a port for the physical NIC on the system. The switch defaults to
its L2 function and I can access the system's IP addresses.
In the DPDK vhost scenario, the client server connections get made, but the
host running the switch doesn't put the ports on the IP stack. I haven't
been able to route a packet between the VMs. Do I need to create "flows"
to mimic a single wire type of connection? I don't need L2 function, but I
did think it might be possible to move IP packets through DPDK. Any
pointers appreciated.
[root@cn03 openvswitch]# ovs-vsctl show
d78a22bb-84c7-46d4-9625-6c9c38aeeff7
Bridge br0
Port br0
Interface br0
type: internal
Port vnet1
Interface vnet1
Port vnet0
Interface vnet0
Port enP5p1s0f0
Interface enP5p1s0f0
Bridge ovs-br0
datapath_type: netdev
Port dpdkvhostclient0
Interface dpdkvhostclient0
type: dpdkvhostuserclient
options:
{vhost-server-path="/usr/local/var/run/openvswitch/dpdkvhostclient0"}
Port dpdkvhostclient1
Interface dpdkvhostclient1
type: dpdkvhostuserclient
options:
{vhost-server-path="/usr/local/var/run/openvswitch/dpdkvhostclient1"}
Port ovs-br0
Interface ovs-br0
type: internal
ovs_version: "2.13.1"
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