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CONFIDENTIAL
26-Jan-04
© 2002 Procket Networks, Inc. All rights reserved.
MBGP
•Multiprotocol Extensions to BGP (RFC 2283).
•Tag unicast prefixes as multicast source prefixes for intra-domain mcast routing protocols to do RPF checks.
•WHY?  Allows for interdomain RPF checking where unicast and multicast paths are non-congruent.
•DO I REALLY NEED IT?
•YES, if:
•ISP to ISP peering
•Multiple-homed networks
•NO, if:
•You are single-homed
•