An engineer is working for large cable TV provider that required multicast multi sourced stream video, but must not use an RPM. Which protocol needs to be used?

The correct answer is D. SSM. Source Specific Multicast (SSM) is the only PIM mode that does not require a Rendezvous Point (RP). Receivers use IGMPv3 to subscribe to traffic from a specific source address using (S,G) channel subscriptions, completely bypassing the shared tree and RP registration process…

Advanced Addressing and Routing Solutions

Question

Options

AASM
BPIM-SM
CBIDR-PIM
DSSM

How the community answered

(46 responses)

A
4% (2)
B
2% (1)
C
2% (1)
D
91% (42)

Explanation

Source Specific Multicast (SSM) is the only PIM mode that does not require a Rendezvous Point (RP). Receivers use IGMPv3 to subscribe to traffic from a specific source address using (S,G) channel subscriptions, completely bypassing the shared tree and RP registration process. ASM (Any Source Multicast) uses PIM-SM and requires an RP. PIM-SM itself requires an RP. BIDIR-PIM also requires an RP. Since the requirement explicitly states 'must not use an RP,' SSM is the correct choice.

Topics

#PIM-SSM#source specific multicast#no RP#video multicast

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