On Fri, Nov 29, 2013 at 1:36 PM, Ben Pfaff <b...@nicira.com> wrote: > On Fri, Nov 29, 2013 at 06:03:05PM +0530, Rahul Nanda wrote: >> When I did ping between VM1 and VM2, the ARP packet came to OF controller >> as PACKET_IN and controller has send PACKET_OUT message and added a unicast >> flow with in-port and dl_dst to output:VM2 port. >> >> The ICMP echo req packet has come to VM2. >> I expected the VM2 to send ICMP echo reply which would be a packet miss in >> OVS as there is no associated flow. >> >> Instead VM2 also sent an ARP request for VM1 and I could see this in our OF >> controller. >> Can't VM2 just use the srcMAC in ICMP echo req instead of sending ARP again >> ?? > > That's not what TCP/IP stacks do. I don't know the reason off-hand.
It's trying to establish bidirectional connectivity, which can't be done solely by receiving a packet. _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
