On Fri, Jan 20, 2012 at 7:31 AM, Ben Pfaff <[email protected]> wrote: > [adding ovs-discuss] > > On Fri, Jan 20, 2012 at 02:12:48AM -0500, Dushyant Arora wrote: >> I found the problem but I don't know how to solve it. So, VM on H1 is >> pinging H4. H1 sends the ARP broadcast through the gre tunnel to H2. H2 has >> 2 ports eth0 and eth1 (and br0). GRE request (IP protocol 47) arrives at >> eth1 and it sends back an ICMP port unreachable error. I tried adding eth1 >> to the bridge but my remote session crashes when I do that. How can I >> forward the GRE packets to br0 on H2?
Port unreachable means that no appropriate tunnel port can be found for the incoming packet. The source address of the GRE packet must match the remote_ip of one of the tunnel ports for it to get decapsulated. I'm guessing that you are connecting to the machine over eth1 and that's why you lose connectivity, as that port is no longer connected to the IP stack. _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
