I think that it's far from obvious that reducing the MTU really does
improve performance. I have a 56K modem over a PPP connection (avg
connection speed ~ 45K), and I didn't notice any performance change with
an MTU of 576. I kept the change to 576 because I ran across a few buggy
websites (www.adobe.com for example) that simply wouldn't load in Linux
with an MTU of 1500, but would load with the lower MTU.
Andrew
vern wrote:
>
> I have wondered about the MTU value on
> dialups, in windoze there is a big to do over
> shorting your MTU from 1500 (default) to 576
> for dialup networking. This is to reduce the
> fragmenting of packets, errors, and retrys. I
> have read no such concerns since being on
> Linux it would seem that the same TCP/IP constraints
> are there, can anyone enlighten this newbie??
> Vern
>
> --
>
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