On Fri, Sep 18, 2009 at 09:48:55AM -0700, Kent Peacock wrote:
> On 09/18/09 09:22, Joerg Barfurth wrote:
> > If you are using .parms files anyhow, you can put it there. This works
> > best, if all DTUs need the same MTU.
>
> Actually, this should be a last resort. The characteristics of the
> network should really be given by the tools that give the other
> characteristics of the network, primarily DHCP. Any path MTU issues
> should be discovered when the DTU sees fragmented packets. The only
> reason I put this into the .parms file is that a customer had a
> situation where there was transparent fragmentation occurring within a
> VPN connection. It caused a performance issue, and couldn't be detected
> by the DTU's seeing fragmented packets.
Oh. I had taken the presence of this option as an implication that the
DTUs didn't do path MTU discovery properly. Documentation might be
clearer on that point.
Good news, though.
Ceri
--
That must be wonderful! I don't understand it at all.
-- Moliere
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