Have no idea, since I don't use POX, but NOX in C++ mostly. We had the problem with pings before deactivating the firewall in Windows. If your hosts are running any linux based OS I have not an answer...I am sorry.
On Thu, May 17, 2012 at 1:30 PM, Rebecca Last Name < rebecca_chan...@yahoo.com> wrote: > Hi Diana! Nice to hear from you. Yes, i have run pox.py > forwarding.l2learning. But I don't know why i still cannot make the two > computer hosts ping each other. Can you explain it in details? Thank you! > > Rebecca. > > ------------------------------ > *From:* Diana Marosin <marosin.di...@gmail.com> > > *To:* Rebecca Last Name <rebecca_chan...@yahoo.com> > *Cc:* Masayoshi Kobayashi <mkoba...@stanford.edu>; " > openflow-discuss@lists.stanford.edu" <openflow-discuss@lists.stanford.edu> > > *Sent:* Thursday, 17 May 2012 7:18 PM > > *Subject:* Re: [openflow-discuss] How to add flow correctly? > > Rebecca, > > In POX forwarding.l2_learning component is implementing a L2 learning > switch, and you have there example of how the flow is installed. Also the > code is commented and in the same folder (forwarding) you will find some > step-by-step tutorials and a L3 learning component. > > Start from there :) Good luck! > > On Thu, May 17, 2012 at 1:02 PM, Rebecca Last Name < > rebecca_chan...@yahoo.com> wrote: > > Masa, > Thank you! Yes, I'm using POX. But I don't know how to let POX install > flow for me. I can make the switch communicate with controller. From > monitoring wireshark, i can see controller and switch are exchanging tcp > packets all the time. But when i want to ping host A and host B, they just > won't reach each other. It says Network host unreachable. Do you know > anything to do with POX? This is because i'm totally new to everything. > Hope you can give me more advice regarding install flow through POX. Thank > you very much. > > Rebecca. > > ------------------------------ > *From:* Masayoshi Kobayashi <mkoba...@stanford.edu> > *To:* Rebecca Last Name <rebecca_chan...@yahoo.com> > *Cc:* "openflow-discuss@lists.stanford.edu" < > openflow-discuss@lists.stanford.edu> > *Sent:* Thursday, 17 May 2012 3:32 PM > > *Subject:* Re: [openflow-discuss] How to add flow correctly? > > Rebecca, > > `dpctl del-flows` let you delete the flows you installed. For example, > suppose you have > three openflow entries. > 1) in_port=1,dl_dst=00:00:00:00:00:01,actions=output:2 > 2) in_port=1,actions=output:2 > 3) in_port=2,actions=output:3 > > The command > dpctl del-flows unix:/var/run/dp0 in_port=1 > will delete all flow entries that match "in_port=1", i.e., delete both the > 1st and 2nd entries. > > dpctl --strict del-flows unix:/var/run/dp0 in_port=1 > will delete only the 2nd flow entry (notice "--strict" option). > > dpctl --strict del-flows unix:/var/run/dp0 > will delete all three entries. > > dpctl has lot more features. Run `man dpctl` to learn them (or `nroff -man > dpctl.8 | less`) > > And.. you said in your first email that you're using POX. Why you need to > install flow tables manually? > (Why not let POX install them?) > > - Masa > > > > _______________________________________________ > openflow-discuss mailing list > openflow-discuss@lists.stanford.edu > https://mailman.stanford.edu/mailman/listinfo/openflow-discuss > > > > >
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