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MSDP establishes a neighbor relationship between
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MSDP peers
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Peers
connect using TCP port 639
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Peers
send keepalives every 60 secs (fixed)
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Peer
connection reset after 75 seconds if no MSDP packets or
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keepalives
are received
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MSDP peers must run mBGP!
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May
be an MBGP peer, a BGP peer or both
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Required
for peer-RPF checking of the RP address in the SA
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to
prevent SA looping
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Exception:
BGP is unnecessary when
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peering
with only a single MSDP peer (default-peer)
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