400-007 · Question #443
Multicast routing is being designed for a company network. The requirements include to design efficiency in the forwarding plane so that traffic is not forwarded toward devices that are not running…
The correct answer is C. Configure IGMP snooping on the switches. IGMP snooping allows switches to listen to IGMP membership reports and only forward multicast traffic to switch ports with receivers subscribed to a multicast group. This ensures forwarding plane efficiency by preventing multicast traffic from being sent to devices not running…
Question
Multicast routing is being designed for a company network. The requirements include to design efficiency in the forwarding plane so that traffic is not forwarded toward devices that are not running multicast applications. Which technology achieves these design goals?
Options
- AConfigure IGMP snooping on the routers.
- BConfigure PIM sparse mode using Auto-RP on the routers.
- CConfigure IGMP snooping on the switches.
- DConfigure PIM sparse mode using BSR on the routers.
How the community answered
(61 responses)- A16% (10)
- B8% (5)
- C70% (43)
- D5% (3)
Explanation
IGMP snooping allows switches to listen to IGMP membership reports and only forward multicast traffic to switch ports with receivers subscribed to a multicast group. This ensures forwarding plane efficiency by preventing multicast traffic from being sent to devices not running multicast
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