Have you looked at the packet to see what it is it? It might be IPv6 neighbor discovery or something...
-- Murphy On Mar 17, 2015, at 8:37 AM, Amer <amer7...@hotmail.com> wrote: > Hello, > > Dear Murphy > > I run mininet in fattree, 4 topology and riplpox in proactive mode > > I have added a counter into Packet_in function in riplpox, however, I am > seeing several-frequent packet_in requests, whereas I am not sending any > traffic between any hosts. > the issue happing while using reactive mode. > > Best regards, > > > Eng Amer Alghadhban > COE > SANS-GCFW > CEH, SCNP, CCNA