Please see the final entry of the POX FAQ: https://openflow.stanford.edu/display/ONL/POX+Wiki
-- Murphy On Aug 30, 2013, at 2:19 PM, AMER AL-GHADHBAN <amer7...@hotmail.com> wrote: > Hello, > > Hope you the best of wealth :) > > Some times I am facing this error: > AttributeError: 'ipv4' object has no attribute 'protodst' > if i do: > h2 ping -c3 h1 # i received no echo messages at all > > and after some seconds when i try it again it is pinging without any errors > > best wishes > > Eng Amer Alghadhban > COE > SANS-GCFW > CEH, SCNP, CCNA >