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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