On Fri, Dec 18, 2015 at 11:17 AM, Piyush R Srivastava1 <[email protected]> wrote: > Hi, > > Problem- > > We have a testbed OpenStack setup which uses VXLAN Tunneling for connecting > the network and compute nodes. > On doing an iperf (TCP stream) from VM (client) to external network node > (server), we see that the TCP packets > ( which are encapsulated by VTEP on compute node and decapsulated by VTEP on > network node ) are NOT getting segment offloaded (TSO) > by the external network NIC on Network Node. > However, TCP stream iperf packets are getting offloaded when doing iperf > between the Network Node (client) and External Node (server) > > Any help on what is causing this anomaly?
I'm guessing that the tcpdump for the device inside the network namespace is on the ingress port. I would look at the ethtool settings for the egress since that seems to be the point at which packets are no longer larger than MTU size. _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
