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MSDP peers (inter or intra domain)
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(TCP
port 639 w/ higher IP addr LISTENS)
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“FLOOD & join”
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SA
(source active) packets periodically sent to MSDP peers
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indicating:
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source
address of active streams
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group
address of active streams
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IP
address of RP originating the SA
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only
originate SA’s for your sources w/in your domain
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“flood & JOIN”
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interested
parties can send PIM JOIN’s towards source
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(creates
inter-domain source trees)
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