Thank you very much Murphy :) 2011/10/17 Murphy McCauley <jam...@nau.edu>
> Yes. Use 0xffff as the second parameter to set_action_output(). > > -- Murphy > > On Oct 17, 2011, at 7:14 AM, andrea simeoni wrote: > > You are right Murphy, > > in the case of simplerouting, I receive error messages by all switches > along the path except for the first (as it is the only having a non empty > buffer-id for that packet). I didn't know that those OF errors could be > ignored. > > I solved also the question for the send_openflow_packet() instruction. > Since the reason of my packet-in events is "explicitely send to controller", > then packets are never buffered in switches. > > However I've a little question more: When I configure the action > OFPP_CONTROLLER using ofp_action, is there a way to tell the switch to send > the whole packet to the controller, using the > ofp_action::set_action_output()? > > Thank you very much > > 2011/10/17 Murphy McCauley <jam...@nau.edu> > >> Assuming you're installing a route along multiple switches, all of them >> except maybe one should probably have an empty (0xffffffff) buffer_id. This >> doesn't seem like it should be the problem. >> >> I can't even hazard a guess without knowing more about the situation. >> >> What version of NOX are you running? >> What kind of switch? >> What does the NOX log show? >> Can you provide a capture of the OpenFlow traffic between a switch that >> sends an error and the controller? >> >> -- Murphy >> >> On Oct 17, 2011, at 6:33 AM, andrea simeoni wrote: >> >> > Hi guys, >> > >> > I'm trying to run the simplerouting component, and found that when >> installing the route it receives "Malformed packet error" messages back from >> the switches. >> > The same happens when calling send_openflow_packet(..). If i go in >> wireshark to analyse the controller->switches openflow packets, I find that >> the field buffer-id has "None" value in both cases. >> > >> > Any suggestions? How can I make things working properly? >> > >> > -- >> > Andrea Simeoni >> > _______________________________________________ >> > nox-dev mailing list >> > nox-dev@noxrepo.org >> > http://noxrepo.org/mailman/listinfo/nox-dev >> >> > > > -- > Andrea Simeoni > > > -- Andrea Simeoni
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