Hi:
I want to implement DDoS attack detection algorithm using Ryu, First I collect
flow statistics from the switch. Then, I want to access IP source and
destination addresses from the reply message as this def
_flow_stats_reply_handler(self, ev): body = ev.msg.body for stat
in sorted([flow for flow in body if flow.priority == 1],
key=lambda flow: (stat.packet_count,
stat.byte_count)): self.logger.info('%016x %8d %8x %17s
%17s %8x %8d %8d',
ev.msg.datapath.id,stat.duration_sec,
stat.match['in_port'], stat.match['eth_dst'], stat.match['eth_src'],
stat.instructions[0].actions[0].port,
stat.packet_count, stat.byte_count)
I can see the destination address but it gives me this error
File
"/usr/local/lib/python2.7/dist-packages/ryu/ofproto/ofproto_v1_3_parser.py",
line 842, ingetitem return dict(self._fields2)[key] KeyError: 'eth_src'
How can I resolve it? Also I want to take "src_port", How this can be done?
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