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Date: Wed, 30 Jul 2003 13:26:06 -0700
From: Michael Sierchio <kudzu@tenebras.com>
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To: William Knechtel <webmaster@endikos.com>
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cc: freebsd-net@freebsd.org
Subject: Re: Help with FreeBSD Bridged Firewall
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William Knechtel wrote:
> Yeah, the arp cache is the problem, thanks for nailing that one for me.
> However, the ipfw rule you supplied doesn't seem to want to work for
> me...  I think for the time being I'll just run a cron job every 15
> minutes or so that clears the arp cache completely.  Thanks again for
> your help!!  I really appreciate it!

> ipfw add 30 allow layer2 mac-type arp

ACQJS (AFAIK) you need to use ipfw2 to support layer2 rules.