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CONFIDENTIAL
26-Jan-04
© 2002 Procket Networks, Inc. All rights reserved.
IGMP Protocol Flow - Join a Group
•Router triggers group membership request to PIM.
•Hosts can send unsolicited join membership messages – called reports in the RFC (usually more than 1)
•Or hosts can join by responding to periodic query from router
•
I want 230.0.0.1
230.0.0.1
230.0.0.1
Forwards stream
Router adds group
I want
to JOIN!
230.0.0.1