From owner-freebsd-bugs  Thu Jun 29 22:36:13 2000
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From: Bill Fenner <fenner@research.att.com>
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To: emmanuel.duros@udcast.com
Subject: Re: mrouted and tcpdump (igmp reports)
Cc: freebsd-bugs@freebsd.org, patrick.cipiere@udcast.com
Date: Thu, 29 Jun 2000 22:35:57 -0700
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This happens when multicasts get looped back, due to ip_mloopback()'s
historical abuse of looutput().  I thought it was fixed when if_simloop()
was introduced, but perhaps not since you say it happens in 3.4.

  Bill


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