Thanks. So far so good. Now just await my new hardware and start testing EML on this.
Regards, Roland Jan Kiszka wrote: > Roland Tollenaar wrote: >> Hi >> >>> RTnet is not bending the hardware: use what you would use for normal >>> Ethernet. >> Yip passed this point already it wasn't a problem but thanks. >> >> So the pinging works but I do find it curious that the time is >5000 us >> and very inconsistent (5000us to 6500 us). Should this pinging not me >> much more stable (and perhaps faster?) than that? > > FAQ alarm! ;) > > Please keep in mind that you are running RTmac/TDMA with a period T=5 ms > by default. Thus you have a roundtrip delay that depends on the schedule > (i.e. if the reply can be sent within the same cycle) and is typically > between T..2T. The clocks of rtping and TDMA are unsynchronised, > therefore you see those wandering roundtrip times. > >> Btw I did not have a cross-over so used straight through over a switch. >> The latter may cause above behaviour I presume? > > Cheap, ASIC-based switches: ~ +10 us additional latency > Complex, manageable switches: ask the vendor :) > > Jan > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ RTnet-users mailing list RTnet-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rtnet-users
