Thanks Asadullah, I did try to add dl_type=0x0800 before, unfortunately, it did not help.
On Wed, Nov 20, 2013 at 8:53 PM, Asadullah Hussain <asadxf...@gmail.com>wrote: > Just a suggestion, Try "dl_type=0x0800" (ethernet packets) in the rule > too. This may help in rule matching too. > > > On 21 November 2013 05:23, terryxing <xingtia...@gmail.com> wrote: > >> Hi Ben, >> >> >> I have three VMs, I want like this, VM1 ping VM2, duplicate the packets >> to VM3 >> >> root@node-35:~# ovs-ofctl add-flow br-int >> "dl_src=VM1,priority=100,actions=NORMAL,mod_dl_dst=vm3_mac_address,NORMAL" >> >> I can use the above command to make the packet first output to normal, >> and then modify the destination mac and output to normal again (reach the >> modified dest_mac). It works fine ! I run tcpdump on VM3 and I saw it >> capture the packet from VM1 to VM2. >> >> But, when I use the IP address (by changing nw_src nw_dst) to do the >> same thing, the tcpdump on VM3 only shows that >> >> "ARP, request who-has VM2 IP tell VM2IP" >> >> >> Do you know how can I make it work by matching and modifying IP header >> instead of mac ? >> >> Thanks very much >> >> >> On Tue, Nov 12, 2013 at 10:32 AM, terryxing <xingtia...@gmail.com> wrote: >> >>> I tried the add-flow command before, and it is just there when I use >>> dump-flows to see the flow table. I am just wondering that if it will just >>> staying there if I keep the OVS running. >>> >>> BTW, the port mirroring works, Thank your so much. >>> >>> >>> On Tue, Nov 12, 2013 at 10:30 AM, Ben Pfaff <b...@nicira.com> wrote: >>> >>>> When you try it, what do you see? >>>> >>>> On Tue, Nov 12, 2013 at 09:56:27AM -0800, terryxing wrote: >>>> > it is okay for the short-lived controller exit, but will the rule >>>> last in >>>> > OVS If I just keep it running ? >>>> > >>>> > >>>> > On Tue, Nov 12, 2013 at 8:00 AM, Ben Pfaff <b...@nicira.com> wrote: >>>> > >>>> > > On Mon, Nov 11, 2013 at 11:23:36PM -0800, terryxing wrote: >>>> > > > What do you mean by short-lived ? How long it can last and can I >>>> save the >>>> > > > flowtable ? >>>> > > >>>> > > Most controllers run until you stop them. ovs-ofctl connects and >>>> > > executes the command you give it, then exits. >>>> > > >>>> >>> >>> >> >> _______________________________________________ >> discuss mailing list >> discuss@openvswitch.org >> http://openvswitch.org/mailman/listinfo/discuss >> >> > > > -- > Asadullah Hussain >
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