Hi Flavio,
Thanks for your reply!
The packet counter in the flow-stats (using dump-flows) is increasing very
rapidly.
I have just sent 1 packet. If I dump traffic through tcpdump, there are
lots of packets appearing. I think that the same packet is looping back.
Kind Regards,
Sachin.
On Mon, Dec 10, 2018 at 7:01 PM Flavio Leitner wrote:
> On Fri, Dec 07, 2018 at 12:24:02PM +0000, Sachin Sharma wrote:
> > Hi all,
> > I have created a setup of two nodes : VMa-VMb. I ran ovs in VMb and
> > added the following flow entry in vmb: ovs-ofctl add-flow vmb in_port=1,
> > actions=in_port.
> > I now sent a ping message from VMa towards VMb. As I have a flow entry
> at
> > VMb with actions= in_port, I expect that the same packet should be
> received
> > by VMa. However, this is not happening.
> >
> > Currently, packets are looping back at VMb without even going to VMa
> > (similar to hair pin). Is this the correct behavior of the above flow
> > entry? or should VMa receive the packet which it has sent it before to
> VMb?
>
> What do you mean by 'looping back at VMb?'
>
> actions=in_port is a special output syntax where you tell OVS that it
> should send the packet on the ingress port.
>
> Check the flow stats - ovs-ofctl dump-flows ovsbr0
> and see if the rule is being used while you run the test.
>
> --
> Flavio
>
>
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