>> +    @set_ev_cls(ofp_event.EventOFPSwitchFeatures, CONFIG_DISPATCHER)
>> +    def switch_features_handler(self, ev):
>> +        datapath = ev.msg.datapath
>> +        ofproto = datapath.ofproto
>> +        parser = datapath.ofproto_parser
>> +
>> +        # install table-miss flow entry
>> +        #
>> +        # We specify NO BUFFER to max_len of the output action due to
>> +        # OVS bug. At this moment, if we specify a lesser number, e.g.,
>> +        # 128, OVS will send Packet-In with invalid buffer_id and
>> +        # truncated packet data. In that case, we cannot output packets
>> +        # correctly.
> 
> OVS gurus, the above comment is still the case?

the bug has been fixed for latest releases.  (>= v2.1.0)
i guess it's still safer to have the workaround though.

YAMAMOTO Takashi

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