Hi, if you want to send packet back the same port, you need to explicitely use OFPP_IN_PORT as a port number. This is to prevent packets looping in the network as usually sending packets back is a bad idea (i.e., the peer switch would probably send the packet again to us)
Peter On Tue, Mar 3, 2015 at 2:35 PM, chaitanya tanwar <chaitanya.tan...@gmail.com > wrote: > Hello everyone, > > Lets say we have switch s1, connected to h1 through port 1 and connected > to s2 through port 2. > > As a packet arrives at port 2 from s2 to s1. I am modifying its > destination mac and ip addresses and sending that back from the same port > i.e. output port 2. > > But wireshark is not showing the same. Packet is arriving at port 2 from > s2 to s1 but not going anywhere after that. > > Is there any trivial problem in sending the packet back through same port > from where it has arrived? > Because I have tried the same thing but sending the packet to port 1 and > this time packet is going to port 1 but in case where I am sending it back > through same port, Its not happening. > > Best Regards. >
