multicast funny question!! shared trees leads to source tree at

From: sirus MOGHADASIAN (cyrus.mgh@gmail.com)
Date: Wed May 09 2007 - 08:43:30 ART

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Hello group,

I have a "why from first implement sth that at the ends leads to first place
problem?" question

we use share trees to prevent populating routing table with so many (S,G)
entries, when I study PIM-SM ,I realized that each source and destination
builds source tree (actually after bypassing RP and send packet to each
other directly) so what's the point to use share tree when eventually PIM-SM
cisco implementation (with default of zero threshold to make SPT) leads to
use source tree model?

Thanks

Sirus Moghadasian

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