Thanks for your answer. Actually, when I ran "ovs-ofctl" command to insert the rule, it complained like "output to unknown port". That seems to be first issue. I was trying to redirect the packet to tap0 by specifying the output port. Secondly, no matter what the error is, I ran the traffic, and definitely tap0 didn't receive any packet. So, dump the rule and there is no "output:tap0" action in the flow.
I am using pretty old version of ovs - which is 2.3.90 - and it may cause the issue? or any issue on tap0? Best regards, - yongseok On Thu, Feb 2, 2017 at 1:40 PM, Ben Pfaff <[email protected]> wrote: > On Thu, Feb 02, 2017 at 01:12:02PM -0800, Joo Yong-Seok wrote: > > Hi, > > > > I am wondering is it possible to do "selective" packet mirroring. From > > previous question, I learnt how to enable port mirror on OVS port but I > > think that I should do "selective" packet mirroring since performance > issue. > > > > So, basically, I want to enable some sort of "filter" and want to mirror > > only specific filter. (like ARP, DHCP...) > > > > Basically, I created tap interface by using linux TUN module and want to > > send those packet to tap and make user-space application to listen it. > > > > Tried "actions" with multiple destination but, what I really want is kind > > of "mirror" type of thing - send an original packet to regular L2 > > forwarding module and send a copied packet to "TAP" interface. (Tried > > actions=normal,output:tap0 but doesn't work). > > That solution is reasonable and I would expect it to work. What actual > behavior did you see? >
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