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From: Nilesh Govindrajan <me@nileshgr.com>
Date: Fri, 22 Feb 2013 14:09:32 +0530
Message-ID: <CAHgBc-szQY6KdK2XB2H+GUQpzWv1vGEY+ioCLmoYtsJPuNxtWg@mail.gmail.com>
Subject: Re: [gentoo-user] Slow local network - how to debug?
To: Gentoo User Mailing List <gentoo-user@lists.gentoo.org>
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On Fri, Feb 22, 2013 at 1:34 PM, Helmut Jarausch
<jarausch@igpm.rwth-aachen.de> wrote:
> Hi,
>
> I have no experiences in debugging a slow network.
>
> At home, I have a router which is connected to my telephone line via VDSL2.
> I have 2 PCs one of which is connected by an ethernet cable (i.e. wired)
> while the other
> one uses a wireless connection which is specified as 56 Mbit/s.
>
> When copying data from one machine to the other one I see varying speeds
> from only 0.5 Mbits/s up to
> more than 20 Mbits/s. I have no idea why it is so slow some times.
> There are no other wireless devices nearby.
>
> What tools and techniques can I use to debug this situation?
>
> Many thanks for a hint,
> Helmut.
>
Check for packet loss. This is the first and most common reason.
--
Nilesh Govindrajan
http://nileshgr.com