It's configured by the user in port options using ovs-vsctl.
On Fri, Jan 23, 2015 at 3:45 AM, Mohit Malik <hr.mohit.ma...@gmail.com> wrote: > Thanks a lot, I really appreciate your response. > Just 1 more query if you may help me with, how does OVS get the Dest-IP for > tunneling endpoint in the tun_key attributes. > > Thnx > Mohit > > On Thu, Jan 22, 2015 at 9:31 PM, Jesse Gross <je...@nicira.com> wrote: >> >> On Thu, Jan 22, 2015 at 5:12 AM, Mohit Malik <hr.mohit.ma...@gmail.com> >> wrote: >> > Hi, >> > >> > I am trying to understand the GRE encapsulation functionality of OVS. I >> > have >> > seen the flow of the packet in case of gre encapsulation, the flow is >> > like >> > :- >> > >> > do_output -> ovs_vport_send -> gre_send -> __send -> __build_header(to >> > build >> > gre header) + iptunnel_xmit(to build and send ip packet) >> > >> > So, in this flow I am not able to see the place in code, where outer >> > ethernet frame is getting attached and also the place where packet is >> > actually sent out. >> >> The packet is handed off to the Linux IP stack to be sent like any >> other packet. Adding the Ethernet header is not part of OVS, it is >> based on the routing table, ARP resolution, etc. > > _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
