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 <[email protected]> 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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