On Mon, Jul 14, 2014 at 4:22 PM, Shridhar Sahukar <shridhar.sahu...@cyaninc.com> wrote: > Hi, > > On my setup, I have 2 hosts connected with a GRE tunnel with following > configuration: > > Host 1: > > #ovs-vsctl add-br br0 > #ifconfig br0 1.1.1.1 > #ovs-vsctl add-port br0 gre0 -- set interface gre0 type=gre > options:remote_ip=<eth0 ip of host2> > > Host 2: > #ovs-vsctl add-br br1 > #ifconfig br1 1.1.2.1 > #ovs-vsctl add-port br1 gre0 -- set interface gre0 type=gre > options:remote_ip=<eth0 ip of host1>
> > As you can see, bridge 0 on host-1 and bridge 1 on host-2 are in different > subnet and I am trying to connect them with a GRE tunnel. I suppose you have set the netmask properly. Otherwise they are in the same subnet. Assuming they are in different subnet, you will probably need routing table entries. > > This setup works as expected for all other purposes, except that during the > initial setup the ARP communication does not happen as expected. > > Most of the times, when we ping bridge0 IP from host2 or bridge1 IP from > host1, the ping does not work. tcpdump on the eth0 interface shows incoming > ARP requests, but I dont see any ARP responses going back. At this point, if > I initiate a reverse ping then everything starts working. > > It seems that the ARP requests are not getting forwarded to the bridge from > the GRE interface. Do I need to add any special flow? > > Any help is much appreciated. > > Thanks, > Shridhar > > > _______________________________________________ > discuss mailing list > discuss@openvswitch.org > http://openvswitch.org/mailman/listinfo/discuss > _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
