From: Randall Parker 

Mike N. wrote:
>>
>    By inference, the server either sends a packet that never gets there.
> The server goes into PMTU discovery mode and somehow ends up dropping back
> on the MTU size.

Are there things we could tweak in the Linux TCP/IP stack that would be
worthwhile experiments to see how they impact performance.

>
>    A close inspection of the packet streams in Wireshark shows that Linux
> appends 12 bytes of TCP packet "options".   I'll have to research this
> further.   Perhaps Windows cannot deal properly with this field.   Or maybe
> 'Windows isn't done until Linux won't run".

Any way to turn off those options?

--- BBBS/NT v4.01 Flag-5