Ok thank you. So here is the error I get when I use the pyswitch and spanning_tree components and I try to ping two host : http://hpics.li/d09742c
Any idea ? 2012/5/20 Julien Ratinaud <[email protected]> > Hello everybody, > > The problem , if I use only pyswitch I don't get any flows. But I will try > tomorow morning and I will send the error I get with pyswitch. > > Me too I have a loop in my network and like you see I have some problems. > When you tell "add static routing in nox" how are you doing that ? Which > file you are modifying ? Because I have two host and they are not able to > ping. So I don't know how to defined the route into NOX. > > Thank You > > Julien Ratinaud > > 2012/5/20 Qingyun Zuo <[email protected]> > >> Hi, recently I used "routing" component in my mininet. I found that when >> the topology contained a loop it would lead to routing storm and produce a >> mass of packets. That is to say, "routing" don't solve the storm problem? >> My real testbed has a loop, I used to add static routing in nox and >> manually solve the arp reply packet. But I think that is not good when the >> topology becomes large. So can anybody help to solve the routing problem? >> >> 2012/5/20 <[email protected]> >> >>> >>> Date: Fri, 18 May 2012 15:07:44 -0700 >>> From: Murphy McCauley <[email protected]> >>> To: Julien Ratinaud <[email protected]> >>> Cc: [email protected] >>> Subject: Re: [nox-dev] Problem sp_routing >>> Message-ID: >>> <CAHC= >>> [email protected]> >>> Content-Type: text/plain; charset="iso-8859-1" >>> >>> Can you try with just pyswitch? >>> >>> If you look up the error type and code in the spec, I believe it refers >>> to >>> a buffer ID being wrong. If it happens with pyswitch, looking at the >>> control traffic in wireshark with the OpenFlow dissector may help to >>> understand why. >>> >>> -- Murphy >>> On May 18, 2012 2:48 PM, "Julien Ratinaud" <[email protected]> >>> wrote: >>> >>> > Thanks for the reply but still same problem if I use only one. >>> > >>> > 2012/5/18 Murphy McCauley <[email protected]> >>> > >>> >> To start with, pyswitch and routing both do essentially the same job >>> -- >>> >> forward packets. You only need one or the other. >>> >> >>> >> -- Murphy >>> >> >>> >> On May 18, 2012, at 7:32 AM, Julien Ratinaud wrote: >>> >> >>> >> Hello everybody, >>> >> >>> >> I am using NOX in my Openflow network composed of four Openflow >>> switches >>> >> and four clients, when I ping between them, my ping is not >>> succesfull. When >>> >> I launch NOX, I use the component pyswitch, spanning_tree and >>> routing. On >>> >> my controller, I get this message : http://hpics.li/802cd61 >>> >> >>> >> Someone know where is the problem ? >>> >> >>> >> Thank you >>> >> >>> >> Best Regards, >>> >> >>> >> Julien Ratinaud >>> >> >>> >> >>> >> >>> > >>> -------------- next part -------------- >>> An HTML attachment was scrubbed... >>> URL: < >>> http://lists.noxrepo.org/private.cgi/nox-dev-noxrepo.org/attachments/20120518/6df4462b/attachment-0001.htm >>> > >>> >>> ------------------------------ >>> >>> _______________________________________________ >>> nox-dev mailing list >>> [email protected] >>> http://lists.noxrepo.org/listinfo.cgi/nox-dev-noxrepo.org >>> >>> >>> End of nox-dev Digest, Vol 3, Issue 18 >>> ************************************** >>> >> >> >> >> -- >> Best Regards >> Zuo Qingyun >> >> >
