This question has been asked previously and I have tried everything given in the answers but still getting the same warning. I am using code in this link
(lab4.py & lab4_controller.py). I am creating a separate file of topology in /mininet/examples and trying to access the switches using pox controller from another terminal but getting the above warning.
warning:lib openflow _01 fields ignored due to unspecified prerequisites nw_src nw _dst
4k views Asked by Debapriya Sen At
1
There are 1 answers
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this warning means that you did just specified higher layer parameter without lower parameter specified first.
Please refer this link