On Fri, May 03, 2013 at 11:21:41PM -0700, Palani Chinnakannan wrote: > I am trying to understand the packet path from a guest VM to the entry > point into openvswitch daemon in the host. I assume that the packet > enters the guest kernel, walks the guest net stack and somehow reaches the > vswitchd daemon in the host. How does this happen?. Any pointers to wiki > docs is what I am looking for.
The packet goes through a hypervisor specific kernel driver in the host, e.g. "netback" for Xen. > I see this vnet0 interface that appears on the north of the openswitch. Is > this a tuptap interface. How can we know what you are using? You can identify it yourself, e.g. "ethtool -i vnet0". > Is it possible to remove this interface out of the switch by using > ovs-vsctl and then drictyly read/write to this interface. If you want. > Ultimately, my goal is to write a quantum plugin that can directly talk to > the VM. I am exploring this for a new switch we are developing. I am surprised that you are using Open vSwitch at all if your goal is to develop a switch. _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
