multicast nightmare #42

Wed Oct 14 15:21:53 UTC 2009

which mode?

-----Original Message-----
From: Philip Lavine [mailto:source_route at yahoo.com] 
Sent: Wednesday, October 14, 2009 11:20 AM
To: nanog
Subject: multicast nightmare #42

Please explain how this would be possible:

1 sender
1 mcast group
1 receiver
----------------
 = no data loss

1 sender
1 mcast group
2+ receivers on same VLAN and physical segment
--------------------
= data loss

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