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ip pim sparse on loopback?

jpazahanick
Level 4
Level 4

‎10-02-2009 12:13 PM - edited ‎03-04-2019 06:14 AM

Is there any reason why you need to enable ip pim sparse-mode on a loopback address? even if you point the RP to the loopback?

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Giuseppe Larosa
Hall of Fame
Hall of Fame

‎10-02-2009 12:31 PM

Hello Jeffrey,

when using auto RP, the mapping agent needs ip pim sparse-mode on its loopback interface to process advertisements from candidate RPs.

This is the only strict requirement I'm aware of.

Hope to help

Giuseppe

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