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Multicast RPF check/equal cost paths

kswonnell
Level 1
Level 1

‎12-13-2002 02:09 AM - edited ‎03-02-2019 03:34 AM

What would happen if the RPF check found two equal cost paths to the source in the igp routing table, and we were process switching. Will there be load sharing?

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andrew.butterworth
Level 7
Level 7

‎12-15-2002 12:09 PM

PIM State rules:

General Rule 2 - The RPF interface is computed as the interface with the lowest cost path (based on admin distance/metric) to the IP address of the source (or in the case of a sparse-mode (*,G) entry, the RP). If multiple interfaces have the same cost, the interface with the highest IP address is chosen as the tiebreaker.

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