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Date:      Sat, 4 Sep 2004 02:20:58 +0400
From:      Gleb Smirnoff <glebius@freebsd.org>
To:        Andrea Venturoli <ml@netfence.it>
Cc:        freebsd-net@freebsd.org
Subject:   Re: bridge + ip_alias --> SLOW!!!
Message-ID:  <20040903222058.GB69347@cell.sick.ru>
In-Reply-To: <200408301924.i7UJOt22026385@soth.ventu>
References:  <200408301924.i7UJOt22026385@soth.ventu>

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On Mon, Aug 30, 2004 at 09:23:23PM -0500, Andrea Venturoli wrote:

A> Just to give an idea, I tested with iperf and this are the results:
A> 
A> internal net -> xxx.xxx.xxx.1     6.93 Mb/s
A> internal net -> xxx.xxx.xxx.12    6.94 Mb/s
A> internet     -> xxx.xxx.xxx.1     237 Kb/s
A> internet     -> xxx.xxx.xxx.12    60.3 Kb/s
A> 
A> So using the alias IP seems four times slower, but this is probably due to the bandwidth limit on the other side (I
A> could only test from an ADSL): if I surf the web, choosing one of the two IPs as source, I get a much bigger gap.
A> 
A> I tried with an "allow all" rule as the first in the ipfw chain, and got no improvement, so the firewall should (IMHO)
A> not be the problem.

To check whether problem live in bridge(4), you can try ng_bridge(4) instead
of it and see does this help.

-- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE



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