From: Ramin Alidousti <ramin@cannon.eng.us.uu.net>
To: Martin Josefsson <gandalf@wlug.westbo.se>
Cc: Antony Stone <Antony@Soft-Solutions.co.uk>,
Netfilter <netfilter@lists.samba.org>
Subject: Re: Speed Issues through NAT Firewall
Date: Tue, 9 Jul 2002 14:49:42 -0400 [thread overview]
Message-ID: <20020709184942.GA25368@cannon.eng.us.uu.net> (raw)
In-Reply-To: <1026239145.804.56.camel@tux>
On Tue, Jul 09, 2002 at 08:25:45PM +0200, Martin Josefsson wrote:
> > > The firewall on the DSL is an Athlon XP 1500+. The firewall on the ISP
> > > line is a PII 333. I will check on the full/half duplex issue.
> >
> > That's a hell of a difference, and could conceivably account for the
> > bandwidth. I'd say it depends on how much RAM you have in the PII/333 and
> > how many connections you're trying to support.
>
> No way a pII 333 is to slow to handle 2Mbit/s, my old 486 can handle
> that easily. You would have to trash the conntrack hashtable with
> multiple attacks to even have a chance of getting it that slow.
>
> I also believe there's a duplex-mismatch somewhere, probably between the
> firewall and the internal network.
In that case a simple ping flood across the suspicious link can help...
Ramin
>
> --
> /Martin
>
> Never argue with an idiot. They drag you down to their level, then beat
> you with experience.
next prev parent reply other threads:[~2002-07-09 18:49 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-09 17:29 Speed Issues through NAT Firewall Travis Crook
2002-07-09 17:38 ` Ramin Alidousti
2002-07-09 17:59 ` Travis Crook
2002-07-09 18:28 ` Ramin Alidousti
2002-07-09 17:49 ` Patrick Schaaf
2002-07-09 17:57 ` Travis Crook
2002-07-09 18:08 ` Antony Stone
2002-07-09 18:25 ` Martin Josefsson
2002-07-09 18:49 ` Ramin Alidousti [this message]
2002-07-09 19:32 ` Antony Stone
2002-07-09 23:08 ` Travis Crook
2002-07-09 17:53 ` Antony Stone
-- strict thread matches above, loose matches on Subject: below --
2002-07-09 19:03 j davis
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