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Date: Tue, 18 Jan 2005 23:48:34 -0500
From: Chuck Swiger <cswiger@mac.com>
Organization: The Courts of Chaos
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To: Grace Lin <gracelin@optonline.net>
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cc: questions@freebsd.org
Subject: Re: enable multicast  router
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Grace Lin wrote:
> I were running FBSD4.5 and try to enable multicast router but couldn't make
> it. Can any body help?

You probably would need to recompile your kernel with the appropriate options 
defined.  Some kernel modules can be loaded by themselves (commonly things 
like device drivers), whereas some other ones have more complex dependencies, 
and you do better to build a kernel with everything they need defined.

However, it is likely that upgrading to a recent version of FreeBSD (4.10 or 
later), would not only come with the multicast stuff built in, but also be a 
good idea in terms of security.

-- 
-Chuck