Thanks Ben, I tried the command line below by change the set into add you mentioned but it did not work,
I tried the below one, it did not work, it said add command requires at least 4 arguments. ovs-vsctl -- add Bridge br-int mirrors=@m -- --id=@vm4 get port tapa0a5bd27-98 -- --id=@vm3 get port tap0cdb8e01-88 -- --id=@m create Mirror name=mirrirvm34 selct-dst-port=@vm4 selesct-src-port=@vm3 using set work, but will replace the previous one: ovs-vsctl -- set Bridge br-int mirrors=@m -- --id=@vm4 get port tapa0a5bd27-98 -- --id=@vm3 get port tap0cdb8e01-88 -- --id=@m create Mirror name=mirrirvm34 selct-dst-port=@vm4 selesct-src-port=@vm3 Can you point me out the wrong part ? or let me know the complete CLI to add additional port mirror ? Thanks very much On Mon, Nov 11, 2013 at 2:44 PM, Ben Pfaff <b...@nicira.com> wrote: > On Mon, Nov 11, 2013 at 02:31:13PM -0800, terryxing wrote: > > I have a question about the port mirror. > > > > I use the command line as below: I just want to implement the port mirror > > algorithm like this, on the same bridge, mirror ovs port 1 traffic to ovs > > port 10, and mirror ovs port 2 traffic to ovs port 11 .... and mirror ovs > > port x traffic to ovs port y. *But NOT* forwarding all ovs port to a > SPAN > > port, which involves multiple ports but only within one policy. > > > > ovs-vsctl -- --id=@p get port tap519eb2f0-13 -- --id=@client1 get Port > > tapbe8770a1-6b -- set bridge br-int mirrors=@m -- --id=@m create mirror > > name=br-int select-dst-port=@client1 select-src-port=@client1 > output-port=@p > > > > I mirror all traffic arrived or originated from the client 1 port, for > > example, the ovs port for VM1, and output port is the ovs port of a > monitor > > device VM for VM1. > > > > What if I want to add additional port mirror on the same bridge ? Can I > use > > the same CLI but different tap IP ? and I will use another port other > than > > output port I previously used, will that work ? > > You should be able to add another one with a very similar command, by > changing "set bridge br-int mirrors=@m" to say "add bridge br-int > mirrors @m". You can change all the other parameters to suit > yourself; they can be the same or different. > > > If, the above multi-port mirror policy works on the same bridge, *how can > > my OVS can find the output port existing on the different OVS* ? these > > bridges on multiple OVS are tunneled by connecting to a bridge call > br-tun > > which has gre port on the tunnel. > > Your other OVS will have to figure out where to send it somehow. You > could use a separate tunnel or a different key within a tunnel to > designate the output port. >
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