Re: Serial device with very large buffer

From: Alex Belits (abelits@phobos.illtel.denver.co.us)
Date: Fri Feb 02 2001 - 01:43:54 EST


On Thu, 1 Feb 2001, Joe deBlaquiere wrote:

> >> I'm a little confused here... why are we overrunning? This thing is
> >> running externally at 19200 at best, even if it does all come in as a
> >> packet.
> >
> >
> > Different Merlin -- original Merlin is 19200, "Merlin for Ricochet" is
> > 128Kbps (or faster), and uses Metricom/Ricochet network.
>
> so can you still limit the mru?

  No. And even if I could, there is no guarantee that it won't fill the
whole buffer anyway by attaching head of the second packet after the tail
of the first one -- this thing treats interface as asynchronous and
ignores PPP packets boundaries.

-- 
Alex

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