Hi Marwen I believe this is a problem with your NOX code. Could you please mail to the nox-dev list relevant pieces of your code and folks can help you figure out what is going wrong?
Please drop openflow-discuss list from the future replies. Thanks Srini. On Mon, May 2, 2011 at 3:24 AM, marwen marwen <[email protected]> wrote: > Hi Niky, > Thank you for your reply. > I verified that is a problem of sending two instruction to the switch with > the same buffer_id. and after that the buffer_id is changed to 'None' that's > why I have this error messages. > In my Nox application I put in the parameters of "install_datapath_flow" > function the same buffer_id received from the switchs. > But I don't know if this problem is related to Openflow switches or the Nox > application. and can I resolve this problem. > Best regards > Marwen > > 2011/5/1 Niky Riga <[email protected]> >> >> Hi Marwen, >> According to the OpenFlow 1.0.0 specification doc >> (http://www.openflow.org/documents/openflow-spec-v1.0.0.pdf page 39) >> >> type=1 error is a bad request error (OFPET_BAD_REQUEST) and >> codes 7 and 8 mean buffer empty and buffer unknown >> (OFPBRC_BUFFER_EMPTY, /* Specified buffer has already been used. */ >> OFPBRC_BUFFER_UNKNOWN /* Specified buffer does not exist. */) >> >> Make sure that you only send one instruction to the switch for each >> bufferid, you >> can specify multiple actions in the same instruction. >> >> Hope this helps, >> Niky >> >> marwen marwen wrote: >>> >>> Hi all, >>> >>> I'm using OpenFlow 1.0 but I have this ERROR >>> >>> openflow-event|ERR: received Openflow error packet from >>> dpid=00000000000d: type=1, code=7 >>> >>> and sometimes I have this ERROR >>> >>> openflow-event|ERR: received Openflow error packet from >>> dpid=00000000000a: type=1, code=8 >>> >>> Please can you help me to resolve this problem >>> >>> Thank you >>> Best regards >>> Marwen >>> >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> openflow-discuss mailing list >>> [email protected] >>> https://mailman.stanford.edu/mailman/listinfo/openflow-discuss >>> >> > > > _______________________________________________ > openflow-discuss mailing list > [email protected] > https://mailman.stanford.edu/mailman/listinfo/openflow-discuss > > _______________________________________________ nox-dev mailing list [email protected] http://noxrepo.org/mailman/listinfo/nox-dev
