You shouldn't include eth0 on M2 and M3 in the bridges. I guess those are the interfaces that the GRE tunnel is configured over but that's not necessary since the packets will find the correct interface using the routing table. If it's another set of interfaces then it will form a loop.
On Tue, Dec 17, 2013 at 9:53 AM, Rashmi Rashmi <rashmi....@gmail.com> wrote: > Jesse, > > > M2/eth0 is physically connected to M3/eth0. Both these machines are running > OVS, and have a GRE tunnel configured between them. > > > M2/eth1 is physically connected to M1/eth0. Here M1 is a client machine, > whose ping req./resp. are expected to be GRE encapsulated (between M2 & M3). > > For this purpose, I have configured a flow on M2 - to match all pkts > arriving on eth1 port & with M1-eth0-src-mac. to egress via GRE port (gre0). > > > Thanks > > Rashmi > > > > On Tue, Dec 17, 2013 at 10:38 PM, Jesse Gross <je...@nicira.com> wrote: >> >> On Tue, Dec 17, 2013 at 1:00 AM, Rashmi Rashmi <rashmi....@gmail.com> >> wrote: >> > Hello, >> > >> > >> > >> > I am using a GRE tunnel with OVS. Here is the setup detail: >> > >> > >> > >> > >> > >> > +--------------+ eth0 (11.0.0.2) eth1 +----------------+ eth0 >> > eth0 +----------------+ >> > >> > | M1 (Linux) |-------------------------------------| M2 (Linux) >> > |-----------------------------------------------| M3 (Linux) | >> > >> > +--------------+ +----------------+ >> > p0 >> > (11.0.0.1) p0 (11.0.0.3) +----------------+ >> > >> > >> > gre0 <============> gre0 >> > >> > >> > >> > I am running OVS (1.9.3) on Machines M2 & M3. >> > >> > >> > >> > For GRE tunnel between M2 & M3 – >> > >> > On pinging 11.0.0.3 from M1, the pkts coming out of M2.eth0 interface >> > are >> > GRE encapsulated. But on machine M3, I see that the single ping-request >> > pkt >> > is being looped multiple times. >> >> What are eth0/1 connected to on M2 and M3? It sounds like unknown >> unicast is being flooded over those ports. > > _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
