Thanks guys, that worked.

Aaron

On Fri, Dec 10, 2010 at 2:45 PM, Ali Al-Shabibi <ali.al-shab...@cern.ch>wrote:

> James is right, you should check with tcpdump.
>
> By looking at the send_openflow code, you can see,
>
>  if buffer_id != None:
>            self.send_openflow_buffer(dp_id, buffer_id, actions, inport)
>
> Switch the buffer_id for None and it should work, the comment is incorrect.
>
>
>
>
> On Dec 10, 2010, at 8:22 PM, James Murphy McCauley wrote:
>
> > Have you installed a rule to send the entire packet (the type that you
> > want to duplicate) to the controller?  If not, it may well be truncated.
> > So you may only be sending the truncated version out on the second dpid.
> > Depending on how you're checking to see if this is working, this may
> > just look like it's failing (e.g., because if it's a TCP packet, the
> > receiver will just throw it away because its checksum will be wrong
> > among other things).
> >
> > -- Murphy
> >
> > On Fri, 2010-12-10 at 14:08 -0500, Aaron Rosen wrote:
> >> Hi Ali,
> >>
> >> Looking at the comments for send_openflow, if buffer_id is -1 then, it
> >> should send the packet. Though, maybe I'm still doing this
> >> incorrectly?
> >>
> >>                    actions = [[openflow.OFPAT_OUTPUT, [0, 11]]]
> >>                    self.send_openflow(self.dpid_of_duplication, -1,
> >> buf, actions, inport)
> >>
> >> also
> >>                    actions = [[openflow.OFPAT_PACKET_OUTPUT, [0,
> >> 11]]]
> >>                    self.send_openflow(self.dpid_of_duplication, -1,
> >> buf or packet, actions, inport)
> >>
> >> doesn't seem to work. Could you point out where I'm going wrong?
> >>
> >>
> >> Thanks,
> >>
> >> Aaron
> >>
> >>
> >> On Fri, Dec 10, 2010 at 1:41 PM, Ali Al-Shabibi
> >> <ali.al-shab...@cern.ch> wrote:
> >>        Hi Aaron,
> >>
> >>        self.dpid_of_duplication is not the dpid the packet arrived
> >>        on, therefore therefore bufid is meaningless to
> >>        self.dpid_of_duplication. You should send
> >>        self.dpid_of_duplication the actual packet you want to
> >>        packet_out.
> >>
> >>        Hope this helps,
> >>
> >>        --
> >>        Ali Al-Shabibi
> >>
> >>
> >>        On 10 déc. 2010, at 18:57, Aaron Rosen <aro...@clemson.edu>
> >>        wrote:
> >>
> >>> Hello,
> >>>
> >>> When I get a specific kind of packet I want to send that
> >>        packet to a specific dpid and port and also send it to the
> >>        dpid and port that the packet was intended for.
> >>>
> >>> If I do:
> >>>
> >>> # send packet to end host
> >>> # note self.PortMaping[dpid, mac_to_str(packet.dst)] returns
> >>        the port number the packet.dst is on
> >>>
> >>> actions = [[openflow.OFPAT_OUTPUT, [0, self.PortMaping[dpid,
> >>        mac_to_str(packet.dst)]]]]
> >>> self.send_openflow(dpid, bufid, buf, actions, inport)
> >>>
> >>> # send packet to specific dpid and port 11
> >>>
> >>> actions = [[openflow.OFPAT_OUTPUT, [0, 11]]]
> >>> self.send_openflow(self.dpid_of_duplication, bufid, buf,
> >>        actions, inport)
> >>>
> >>> The packet never gets to the self.dpid_of_duplication port
> >>        11.
> >>>
> >>> Anyone see where I'm going wrong here?
> >>>
> >>> Thanks,
> >>>
> >>> Aaron
> >>>
> >>> --
> >>> Aaron O. Rosen
> >>> Masters Student - Network Communication
> >>> 306B Fluor Daniel
> >>> 843.425.9777
> >>>
> >>
> >>> _______________________________________________
> >>> nox-dev mailing list
> >>> nox-dev@noxrepo.org
> >>> http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org
> >>
> >>
> >>
> >> --
> >> Aaron O. Rosen
> >> Masters Student - Network Communication
> >> 306B Fluor Daniel
> >> 843.425.9777
> >>
> >> _______________________________________________
> >> nox-dev mailing list
> >> nox-dev@noxrepo.org
> >> http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org
> >
> >
>
> --
>
> Ali Al-Shabibi
> Doctoral Student
> PH-ATD
> CERN - European Organization for Nuclear Research
> Office: 513 R-018
> ali.al-shab...@cern.ch
> Tel :   +41 22 767 86 46
>
>


-- 
Aaron O. Rosen
Masters Student - Network Communication
306B Fluor Daniel
843.425.9777
_______________________________________________
nox-dev mailing list
nox-dev@noxrepo.org
http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org

Reply via email to