Subject: Re: IPNAT Very Slow
To: Rob Gridley <>
From: David Brownlee <>
List: netbsd-users
Date: 08/10/2001 16:54:56
=09Is it possibly a network card issue - have you tested raw
=09throughput on each interface without IPNAT?

=09=09David/absolute=09=09-- No hype required --

On Fri, 10 Aug 2001, Rob Gridley wrote:

> I recently setup a computer to do IPNAT and replace and old Netopia route=
r I
> was using. I am finding it to be very slow. Much slower than the Netopia
> router. I configured everything according to the IPNAT section in the Net=
> Manual and recompiled the kernel with IPNAT support.
> The machine is a PowerPC 604e @ 200MHz, 128MB RAM, 2GB SCSI HD, two Asant=
> 10/100t ethernet cards running NetBSD 1.5.1.
> Here's what my IPNAT.conf looks like...
> map de0 -> 0/32 proxy port ftp ftp/tcp
> map de0 -> 0/32 portmap tcp/udp 40000:60000
> map de0 -> 0/32
> Both ethernet cards are connected to 100t switches. One internally and on=
> externally. I am only able to get 200-500kB/sec through the IPNAT machine=
=2E I
> used to get about 900kB/sec through the Netopia router and it was only 10=
> Any help would be greatly appreciated.