On Tue, Dec 15, 2009 at 11:49 AM, Scott Atchley <atch...@myri.com> wrote: > On Dec 14, 2009, at 12:57 PM, Alex Chekholko wrote: > >> Set it as high as you can; there is no downside except ensuring all >> your devices are set to handle that large unit size. Typically, if the >> device doesn't support jumbo frames, it just drops the jumbo frames >> silently, which can result in odd intermittent problems. > > You can test it by using the size parameter with ping: > > $ ping -s <size_in_bytes> <host> > > If they all drop, then you have exceeded the MTU of some device.
Thanks Scott. 9000 seems the max. Neither my Switch nor my eth adapter like higher values. -- Rahul _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
