[SOLVED] Re: Poor network performance: a lot of timeouts
Robert Watson
rwatson at FreeBSD.org
Wed Jun 1 02:01:56 PDT 2005
On Mon, 30 May 2005, Imobach González Sosa wrote:
> First of all, THANK YOU all for your help. I tried all your solutions
> but I didn't worked for me. Why? Simple: the problem seems to be in may
> ADSL router.
>
> I'll explain: I took my desktop computer to my neighbour's home. I
> connected it to his ADSL and... worked pretty fine! So I got a new
> router (from my neighbour's sister, thank you both) and take it home.
> Changing my old router by the new one seems to solve the problem :-P
Does your DSL router have built in NAT support, and is it enabled? Some
of the older SpeedStream routers shipped by some DSL providers have a poor
implementation of NAT that interacts poorly with other NAT
implementations, such as the FreeBSD and Linksys NAT code. When using a
DSL modem provided by ShenTel in the Shenandoah Valley (in .va.us), I've
seen TCP connections wedge, close spontaneously, etc, when passing through
the NAT box...
Robert N M Watson
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