The lower two bits of the tos field are ECN which you probably shouldn't be setting as it will confuse intermediate routers. The upper 6 bits "DSCP" are what you want.
Ethan On Thu, May 31, 2012 at 3:00 PM, Ali Sydney <[email protected]> wrote: > Hi Everyone, > I'm trying to figure out why performance degrades when I attempt to > use ToS values => 4 (including Experimental values in Pool 2, ex. 15) as > flow_mods on the GENI OpenFlow backbone core network. In particular, if I use > values < 4 (i.e. 0, 1, 2, 3), a ping from K-State to a pgeni host at GPO lab > takes ~128ms. However, if I use values => 4, the same test results in ~650ms. > Thanks. > > Cheers! > Syd > _______________________________________________ > openflow-discuss mailing list > [email protected] > https://mailman.stanford.edu/mailman/listinfo/openflow-discuss _______________________________________________ openflow-discuss mailing list [email protected] https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
