Hi everyone. I am having some issues while using the simple_monitor_13 file. I state that I did not modified the script and I left it as in the Ryu book, I just created another Python file (in order to install flows) and I then copy-pasted the code of the simple_monitor_13 file. In particular, I cannot properly print out the statistics of each flow because of the following error (basically the match dictionary does not recognize the ‘eth_dst’ key): Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line 290, in _event_loop handler(ev) File "/home/ryu/ryu/ryu/app/sar_application_SDN_2.py", line 103, in _flow_stats_reply_handler self.logger.info('Match: %s', stat.match['eth_dst']) File "/usr/local/lib/python2.7/dist-packages/ryu/ofproto/ofproto_v1_3_parser.py", line 874, in __getitem__ return dict(self._fields2)[key] KeyError: 'eth_dst' What am I doing wrong? Flows are correctly installed in each switch since I can perform ping without any problem. Moreover, the statistics of each port are displayed correctly. Thanks for any suggestion and stay safe! |
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