so , I am assuming you don't see this freezing behaviour in newer controller version? Interesting. I will try running my program with newer version. But I am curious to know if this is a known issue?
Regards On Fri, 17 Apr 2020 at 10:18 pm, Leandro Pereira <leandroecom...@gmail.com> wrote: > Maybe you should try a newer version. I'm using Ryu 4.34 on Debian 10.3. > Works well. > > Em sex., 17 de abr. de 2020 às 07:48, durga <c.vijaya.du...@gmail.com> > escreveu: > >> Hello, >> I am currently using v4.27. >> >> Regards >> >> On Fri, 17 Apr 2020 at 8:37 pm, Leandro Pereira <leandroecom...@gmail.com> >> wrote: >> >>> Hi Durga >>> What version of Ryu are you using? >>> >>> Em qui., 16 de abr. de 2020 às 23:23, durga <c.vijaya.du...@gmail.com> >>> escreveu: >>> >>>> Hi all, >>>> >>>> I am observing a strange behavior when I run Ryu controller application >>>> Application: >>>> class Switch(): >>>> ... >>>> class Monitor(Switch): >>>> ... >>>> writes to a file >>>> >>>> Now, When I start sending cross UDP traffic on the network( 4 >>>> switches), the monitor module freezes at some point and doesn't write to >>>> the file. One of the possible reasons I can think of is Ryu controller >>>> requesting port-stats from the switch and waits forever for the switch to >>>> respond. I am not too sure why the switch fails to respond. Can large load >>>> of data-plane traffic keep the switch busy to not respond to the >>>> controller?Also I don't quite see exact behavior for TCP traffic? >>>> >>>> Any insights or suggestions >>>> >>>> >>>> Cheers! >>>> Durga >>>> >>>> _______________________________________________ >>>> Ryu-devel mailing list >>>> Ryu-devel@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/ryu-devel >>> >>> >>>> >>> >>> -- >>> Leandro Pereira >>> >> -- >> Cheers! >> Durga >> >> > > -- > Leandro Pereira > -- Cheers! Durga
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