Subject: Re: Weird TCP/IP behaviour
To: Paul Mather <>
From: Manuel Bouyer <>
List: port-alpha
Date: 11/26/2001 18:46:11
On Mon, Nov 26, 2001 at 10:20:37AM -0500, Paul Mather wrote:
> I have a DEC 3000/300 running NetBSD-current completely rebuilt
> (kernel+userland) as of about a week ago.  I noticed some really weird
> TCP/IP behaviour that maybe someone can shed some light upon.
> For some reason, I get *terrible* speeds when FTPing *to* an AIX 4.3.3
> box.  The weird thing is that I get normal speeds when FTPing *from*
> that same AIX box.  Actually, it's more likely it involves FTPing *to* a
> particular subnet, as the same behaviour manifests when FTPing *to* an
> OpenBSD machine on the same subnet as the AIX machine (but not *from*
> that machine).

Are you using 10baseT ? If so check the duplex settings on both end of
the cable.

Manuel Bouyer, LIP6, Universite Paris VI.