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From: "Darren Pilgrim" <darren.pilgrim@bitfreak.org>
To: "'S.I'" <piston@otel.net>
Date: Wed, 1 Mar 2006 19:54:36 -0800
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Cc: freebsd-questions@freebsd.org
Subject: RE: ipprecedence ?
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[Redirected to -questions from -net.]

From: S.I
> 
> How Can I set ipprecedence flag on FreeBSD?

Precendence bits are part of the ip_tos bits in FreeBSD inet sockets.  The
ip(4) man page gives an example of using setsockopt(2) to set the ToS bits.
See src/sys/netinet/ip.h (v1.29) lines 76 to 99 for a set of named
precedence and ToS options (you don't have to use them, but it's
recommended).