IP pim nbma mode & frame multipoint (sparse mode)

From: Bola Adegbonmire (bolaccie@yahoo.com)
Date: Mon Feb 16 2004 - 05:25:34 GMT-3

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Hi All,
 
Pls can someone enlighten me on this issue. I know that if we have to setup IP multicast over NBMA an if in sparse mode, frame relay interfaces are physical (multipoint)
 
one needs to use "IP pim nbma mode" to address the attendant multicast issues.
I know that this is not needed with pt-to-pt sub-ints, but I am a little unsure about point-to-multipoint frmae interfaces. Since these interfaces are seen as a collection of point-to-point links do I still need nbma mode to make sure traffic sent only to subscribed interfaces chechking for the unicast ips?
 
Rgds,
 
Bola
 
 

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