Thank you all. Murphy I will check the code in github. James I'd very much like to see the code. Is it some where online that I can get access to it?
Best regards, Fahime On Mon, Apr 27, 2015 at 10:20 PM, James Kerr <james.william.k...@gmail.com> wrote: > I have done this, and have source code available if you'd like. > On 27 Apr 2015 20:55, "Murphy McCauley" <murphy.mccau...@gmail.com> wrote: > >> POX presently has no special support for sFlow. But, IIRC, for the most >> part, sFlow just samples packets and encapsulates them in UDP. You could >> certainly extend POX to listen on a UDP socket to get the sFlow packets. >> >> BUT... if you're going to have a large number of sFlow packets (e.g., >> your sample rate isn't going to be that low or you have a lot of switches), >> I wouldn't have the packets go directly into POX. Python is not >> particularly suited to sipping from a firehose. I'd be tempted to write an >> external agent in C or something which runs alongside POX and gets the >> sFlow packets, does application-specific aggregation/thresholding/etc. and >> communicates the results to POX in a more efficient way (e.g., snapshots at >> a fixed rate). >> >> If you want to configure the sFlow stuff on the switches from the >> controller (rather than by hand), and if your switches are Open vSwitch, I >> think you can do it via OVSDB. You might want to look at my POX fork on >> github (MurphyMc/pox) which has some experimental OVSDB support that is >> very likely to get merged into mainline POX when I have the time. >> >> -- Murphy >> >> On Apr 27, 2015, at 5:06 AM, Fahime Alizade <alizade...@gmail.com> wrote: >> >> > Dear all, >> > >> > >> > I was wondering if it is possible to use sFlow along with POX? >> > I need my POX controller to make all the decisions about flow >> scheduling, so all the statistical information from sFlow needs to be >> passed to POX. Is it possible to do so? >> > >> > Thanks in advance, >> > >> > Best regards, >> > Fahimeh >> >>
