Pim Bidirectional versus Sparse-dense mode

From: wim.depauw@getronics.com
Date: Thu Jul 12 2007 - 15:42:54 ART


Hi,

I'm testing the PIM bidir and a classic sparse-dense mode with the following setup

  R1--------R4--------R5---Multicast source

with R1 = RP ( static defined)
     R5 = has ethernet interface with an IGMP join group defined

I checked the differences between PIM bidir and sparse-dense mode and it works like in the Cisco documentation. So far so good but what I miss in the doc what is the real advantage of using bidir mode .Less CPU/memory resources ?

How can I know on the exam what they are going to ask ?

thx

Wim



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