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Date: Tue, 06 Feb 2007 18:24:50 -0800
From: Julian Elischer <julian@elischer.org>
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To: Justin Robertson <justin@sk1llz.net>
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Cc: freebsd-net@freebsd.org
Subject: Re: 6.x, 4.x ipfw/dummynet pf/altq - network performance issues
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Justin Robertson wrote:
> Err, forgot to reply to -net, at anyrate, layer 2 isn't useful as it 
> doesn't undertand ip addresses, ports, protocols, etc.

filtereing at the NIC (sysctl net.link.ether.ipfw=1 or something 
similar) lets you do layer 3 filtereing at the NIC layer..

> 
> Julian Elischer wrote:
>> Justin Robertson wrote:
>>>
>>
>>
>>
>>> Splitting the task into a transparent filtering bridge with a 
>>> separate routing box appears to clear it up entirely.
>>
>> how does that differ from using mac level ipfw?
>>
>> i.e. turning on filtering at the NIC (layer 2).
>>
>> (have you tried doing that?)
>>
> 
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