Maen, I understand. Why I wonder is the version with the python3-ryu package as it is? Is that the Ryu group or Ubuntu repository package management?
BTW did you see the question I asked about Flow Manager not working with the REST API. Is that normal or can the two be ran together ? Regards, Diarmuid Regards, Diarmuid On Sat 16 Feb 2019, 21:19 Maen Artimy <arti...@gmail.com wrote: > Here is at least one issue that may arise if you match based on > destination MAC only: > 1. Say Node A is connected to switch port 1. The controller creates a flow > entry that forwards packets with destination MAC A to port 1. > 2. If Node A is moved to switch port 2. The controller never learns about > the change and all packets with destination MAC A match existing entry and > go to port 1 (and never reach A). > > If the match is based on both source and destination MACs: > 2. If Node A is moved to switch port 2, the packets from A will be sent to > the controller because they don't match any entry and the controller will > create a new entry withe proper output port (The old entry will remain > though because there is not time-out assigned to it). > > I hope this helps. I may have been too brief. > > Regards, > Maen > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > Virus-free. > www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > <#m_3224595215056297631_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > > On Sat, Feb 16, 2019 at 1:57 PM Diarmuid O Briain <diarm...@obriain.com> > wrote: > >> Maen, >> >> Interesting, I compared the *simple_switch13.py* file you linked me to >> and the one that comes with the *python3-ryu* package (installed with >> apt-get install python3-ryu). >> >> $ *diff /usr/lib/python3/dist-packages/ryu/app/simple_switch_13.py >> maen_version_simple_switch_13.py* >> 105c105 >> < match = parser.OFPMatch(in_port=in_port, eth_dst=dst) >> --- >> > match = parser.OFPMatch(in_port=in_port, eth_dst=dst, >> eth_src=src) >> 120d119 >> < >> >> That would seem to bear out what you say. I am a little lost as to what >> that means though. Why the difference? >> >> regards, >> >> Diarmuid >> -- >> >> *Irish by birth, located in Uganda but Munster by the grace of God.* >> >> >> >> >> On Sat, 16 Feb 2019 at 19:04, Maen Artimy <arti...@gmail.com> wrote: >> >>> Diarmuid, >>> There is something odd about the application you are running. The >>> simple_switch_13.py should match three fields not two. Also it should not >>> output the packet to the same input port (see line 105) . So I would start >>> by checking if the application is correct. >>> https://github.com/osrg/ryu/blob/master/ryu/app/simple_switch_13.py >>> >>> Regards, >>> Maen >>> >>> On Sat, Feb 16, 2019 at 11:36 AM Diarmuid O Briain <diarm...@obriain.com> >>> wrote: >>> >>>> Hi, >>>> >>>> I have spent ages playing with Ryu and mininet and decided to try some >>>> actual physical switches. I compared using Ryu with an OvS switching for >>>> physical ports in a server with Ryu controlling a Netgear M4300-48G in >>>> OpenFlow v1.3 mode. The response in both cases were different and I >>>> documented it in the attached. I would appreciate it if someone who knows >>>> more about the Ryu controller than me would look and try explain the >>>> different outcomes from scenarios on A and B. >>>> >>>> much appreciated. >>>> >>>> Diarmuid O'Briain >>>> -- >>>> >>>> *Irish by birth, located in Uganda but Munster by the grace of God.* >>>> >>>> >>>> _______________________________________________ >>>> Ryu-devel mailing list >>>> Ryu-devel@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/ryu-devel >>>> >>> > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > Virus-free. > www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > <#m_3224595215056297631_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> >
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