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. >> > > >> > >
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