It might be much easier with more information. What components were you running in POX? And is OFELIA raw hardware or are you running under Flowvisor?
-- Murphy On Oct 8, 2014, at 6:57 PM, Farzaneh Pakzad <f.pak...@uq.edu.au> wrote: > Hello everybody, > > I don't know if it is a relevant question to ask here: > I am trying to do OpenFlow topology discovery (with pox) in real testbed > called OFELIA. > I've chosen some switches form one of the island to run the test. > After I did all the settings, the controller started to work and detect the > switches and links between them. > However, in the meantime there are some openflow error messages and warnings > as well. These errors are as follow: > > """ > ERROR:openflow.of_01:[00-00-00-00-00-02|512 2] OpenFlow Error: > [00-00-00-00-00-02|512 2] Error: header: > [00-00-00-00-00-02|512 2] Error: version: 1 > [00-00-00-00-00-02|512 2] Error: type: 1 (OFPT_ERROR) > [00-00-00-00-00-02|512 2] Error: length: 28 > [00-00-00-00-00-02|512 2] Error: xid: 0 > [00-00-00-00-00-02|512 2] Error: type: OFPET_BAD_REQUEST (1) > [00-00-00-00-00-02|512 2] Error: code: OFPBRC_BUFFER_UNKNOWN (8) > [00-00-00-00-00-02|512 2] Error: datalen: 16 > [00-00-00-00-00-02|512 2] Error: 0000: 01 0d 00 10 00 00 00 18 9e 11 2d 2c > 00 06 00 00 |..........-,....| > """ > > """ > INFO:packet:(lldp tlv parse) warning TLV data too short to parse (86) > INFO:packet:(lldp parse) error parsing TLV > """ > Would you please help me with that? > > I would like to know if anyone had this problem before > and what makes this problem to happen and if I can solve it or not? > > Thank you all. > > Farzaneh