Which statement is true about ASM and/ or SSM multicast?
A.
ASM requires an external mechanism to find the source.
B.
SSM only builds RPT trees, since the RP is replaced by an external mechanism.
C.
ASM and SSM for IPv6 multicast use embedded RP.
D.
SSM does not require MSDP.
Ans is D.
http://www.informit.com/articles/article.aspx?p=29244&seqNum=7
Any explanation?
A->No. ASN uses an internal mechanism to find the source using a RP.
B->No. SSM only builds SPT not RPT.
C->No. SSM don’t use RP.
D->yes. SSM uses an external mechanism to find the source so it does not require MSDP.