On Tue, Jun 5, 2012 at 5:26 AM, ravi kerur <rke...@gmail.com> wrote: > Hi, I see some discussion on ovs + gre but not sure what the solution > is. I am facing some what similar issue w.r.t configuration and flow > matching. > > On host-1, gre0 interface is configured via > > ovs-vsctl add-br br0 > ovs-vsctl add-port br0 eth0 > ovs-vsctl add-port br0 gre0 -- set interface gre0 type=gre > options:remote_ip=10.0.0.7 > > ifconfig eth0 0 > ifconfig br0 10.0.0.3 netmask 255.255.255.0 up > > gre0 is added to br0 port table and I have verified using > ovs-[vs/dp/of]ctl show commands > > however, gre0 interface is not in the interface table i.e. if I do > "ifconfig -a" I don't see gre interface.
It's not supposed to be. You can run tcpdump on the physical interface. > Now, I configure flows for transmit and receive packets via gre0 > tunnel as follows > > on host-1: > > ovs-ofctl add-flow br0 > priority=104,idle_timeout=50000,dl_type=0x0800,nw_proto=1,nw_src=10.0.0.3/32,nw_dst=10.0.0.7/32,actions=mod_vlan_vid:300,mod_vlan_pcp:3,set_tunnel:111,2 > > ovs-ofctl add-flow br0 > priority=104,idle_timeout=50000,tun_id=222,dl_vlan=200,actions=strip_vlan,NORMAL > > on host-2: > > ovs-vsctl add-br br0 > ovs-vsctl add-port br0 eth0 > ovs-vsctl add-port br0 gre0 -- set interface gre0 type=gre > options:remote_ip=10.0.0.3 > > ifconfig eth0 0 > ifconfig br0 10.0.0.7 netmask 255.255.255.0 up > > ovs-ofctl add-flow br0 > priority=104,idle_timeout=50000,dl_type=0x0800,nw_proto=1,nw_src=10.0.0.7/32,nw_dst=10.0.0.3/32,actions=mod_vlan_vid:200,mod_vlan_pcp:3,set_tunnel:222,2 > > ovs-ofctl add-flow br0 > priority=104,idle_timeout=50000,tun_id=111,dl_vlan=300,actions=strip_vlan,NORMAL > > > When I ping from host-1 to host-2, > > on host-1, i see ICMP packets matching first entry, however, I am not > able to capture packets going out since tcpdump won't work due to gre0 > not in interface table. > > on host-2, packets are not matched at all. > > My question is, any additional configuration needed to get icmp > packets go through tunnel interface? What do you see if you run tcpdump on eth0 on the receiving system? What about ovs-dpctl dump-flows? If you're having a matching problem you should try simplifying your flows to isolate the problem. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
