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Date: Mon, 20 Jun 2011 11:40:10 GMT
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To: freebsd-bugs@FreeBSD.org
From: Gleb Smirnoff <glebius@FreeBSD.org>
Cc: 
Subject: Re: kern/158066: ipfw + netgraph + multicast = multicast packets
 transmitted over wrong interface
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The following reply was made to PR kern/158066; it has been noted by GNATS.

From: Gleb Smirnoff <glebius@FreeBSD.org>
To: Oleg Cherevko <olwi@icyb.kiev.ua>
Cc: freebsd-gnats-submit@FreeBSD.org
Subject: Re: kern/158066: ipfw + netgraph + multicast = multicast packets
 transmitted over wrong interface
Date: Mon, 20 Jun 2011 15:32:42 +0400

   I think that all ipfw re-injecting mechanisms break multicast: dummynet,
 'fwd', etc. No call to ip_output() within sys/netinet/ipfw does pass non-NULL
 ip_moptions argument:
 
 > cd /usr/src/sys/netinet/ipfw && grep ip_output *
 
 -- 
 Totus tuus, Glebius.