Re: Possible TCP Problem with RH6.2 talking to Solaris2.6/2.7 (fwd)

From: Alan Cox (
Date: Thu May 04 2000 - 06:01:06 EST

> > The Sun used a larger window (64K versus 32K).
> Check that Networking options ... IP: Allow large windows is enabled in
> your kernel build. This could be related to case 2?

We will only offer 32K windows if the box the other end offers no window
scaling either way. This is because we care about interworking with old
equipment with sign handling bugs.

Turning on large window support gives a bigger window but while that
reduces the number of zero window stalls it doesnt change total throughput

> Using a larger receive window on the Linux end could help, anyway. Any
> ideas WHY those packets were dropped, BTW?

This is the important one I think

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