Bruce M Simpson fd963b9929 Fix a regression where DVMRP diagnostic traffic, such as that used
by mrinfo and mtrace, was dropped by the IGMP TTL check. IGMP control
traffic must always have a TTL of 1.

Submitted by:	Matthew Luckie
MFC after:	3 days
2010-04-27 14:14:21 +00:00
..
2008-12-15 06:10:57 +00:00
2009-06-17 12:34:56 +00:00
2008-06-11 22:12:50 +00:00