Thank you Murphy The problem is resolved Sent from my iPhone
> On May 22, 2015, at 2:11 AM, Murphy McCauley <murphy.mccau...@gmail.com> > wrote: > > >> On May 21, 2015, at 4:14 AM, AMER <amer7...@hotmail.com> wrote: >> >> Hello, >> >> Dear all >> >> when I tried to run the experiments uploaded on this link >> https://github.com/clamy/cs244 >> >> I faced an error when I run them as the following: >> error: integer out of range for 'L' format code >> >> I faced this error before with the Murphy Riplpox, however, when I installed >> the latest updated version of RiplPox > > My version *is* the latest version. :) > >> and taking the consideration of mininet and OvS versions it works fine. >> i.e., the original riplpox. Unfortunately with the same setup, >> DCellController in that uploaded experiments are showing that error again, I >> do not why the same setup of mininet and OVS is working with original >> riplpox fine and it is not working with DCell riplpox. > > Mininet and OVS are likely not the issue here. The likely issue (though it's > hard to tell because you've posted an isolated error message and not a stack > trace) is because old versions of RipLPOX (like the one included in that > DCell project) are not compatible with later versions of POX. This > particular issue is caused by RipLPOX using -1 as the buffer ID when there is > no buffer to be specified. On more recent versions of POX, this is invalid, > and one should use None instead. > > As I've mentioned before, you can either downgrade POX to a version that was > current at the time of the version of RipLPOX that you're using, or you can > fix the RipLPOX that you're using. For this specific bug, the problematic > places should more or less show up in the stack trace, and it's also easy to > find them by searching for -1 in the code. Lines 54 and 60 of the DCell > riplpox.py are examples. You can also look at commits from my updated > version of RipLPOX for guidance because I already fixed this a year ago: > https://github.com/MurphyMc/riplpox/commit/c4d9272ac736aa61db2968927ea266454b1d6d56 > > -- Murphy > >> Best regards, >> >> >> Eng Amer Alghadhban >> COE >> SANS-GCFW >> CEH, SCNP, CCNA >
