I've also seen the IGMP group (0x16) for IPv6 and/or IPv4 (224.0.0.22) joined as send only (in addition to the all routers (2) group). -- Hal -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openfabrics.org/pipermail/general/attachments/20041210/75c10879/attachment.html>