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Date:      Wed, 30 Jul 2003 14:24:04 -0400
From:      Don Bowman <don@sandvine.com>
To:        'William Knechtel' <webmaster@endikos.com>, Don Bowman <don@sandvine.com>, freebsd-net@freebsd.org
Subject:   RE: Help with FreeBSD Bridged Firewall
Message-ID:  <FE045D4D9F7AED4CBFF1B3B813C85337027420A0@mail.sandvine.com>

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> From: William Knechtel [mailto:webmaster@endikos.com]
> 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!

you can, with sysctl, change the arp timeout period.
sysctl net.link.ether to see all of them.
net.link.ether.inet.prune_intvl/net.link.ether.inet.max_age 
changes the arp cache age time.



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