Speed question

Andrew P. infofarmer at gmail.com
Wed Oct 26 02:11:03 PDT 2005


On 10/26/05, Sasa Stupar <sasa at stupar.homelinux.net> wrote:
>
>
> --On 26. oktober 2005 9:46 +0200 Sasa Stupar <sasa at stupar.homelinux.net>
> wrote:
>
> > Hi!
> >
> > I have on my LAN a server FBSD 5.4 on DMZ. The router is made of linux
> > (yes I'll change it to FBSD ASAP) with 3 NIC: eth0 (inet), eth1 (LAN),
> > eth2 (DMZ).
> > Strange thing is that when server is on DMZ and I access it from the LAN
> > with ftp client my transfer speed is 30 Mbit/s. The network itself is 100
> > Mbit. BUT if I move server from LAN to DMZ I have the max speed arround
> > 100 Mbit/s.
> > BTW: server in DMZ is connected directly to the NIC on router and on the
> > LAN side I have all users connected on one switch which is connected to
> > the router.
> >
> > Is this normall for all kinds of routers (linux, bsd, etc.) with setup
> > like mine to behave like this or is it just my router setup?
> >
> > Regards,
> > Sasa
>
> Made a mistake in the post:
>
> "BUT if I move server from LAN to DMZ..."
> should be
> "BUT if I move server from DMZ to LAN...#
>
>
> Sasa
>
>

If you mean that bandwidth between 2 boxes on
one switch is higher than that between 2 boxes
connected to different NICs on some server, then
that's absolutely normal and expected. No server
can match the speed of a Cisco, and no Cisco can
match the speed of a cheap unmanaged switch.

If you mean that ftp client and ftp server are
connected to different NICs on the router in both
cases (30Mbit and 100Mbit transfers), it is
explainable, because traffic from DMZ to
LAN usually gets a closer look than that
from LAN to LAN. You might or might not get
better performance with FreeBSD as the router.


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