300-425 Question 88
Select 3You are configuring a high-density wireless network in a university auditorium that will stream multicast video content to hundreds of clients. To optimize the multicast performance and reduce wireless channel congestion, the network administrator decides to implement Multicast Direct on the Cisco wireless LAN controller (WLC). Which of the following configurations are required to successfully enable Multicast Direct?
- A
Enable Multicast Direct globally on the WLC.
- B
Configure the multicast group address on the wireless LAN (WLAN).
- C
Enable IGMP Snooping on the WLC.
- D
Disable Multicast-to-Unicast conversion on the WLC.
- E
Ensure that the client devices support IGMPv3.
Show answer and explanation
Correct answers: A, B, C
Explanation
To implement Multicast Direct in a Cisco wireless network, you must enable the feature globally on the WLC, configure the multicast group address on the WLAN, and enable IGMP Snooping to efficiently manage multicast traffic. These steps ensure that multicast traffic is directly delivered to clients, reducing the wireless channel congestion and improving performance. Disabling Multicast-to-Unicast or requiring IGMPv3 support are not mandatory for this configuration.
- A. Correct.
Correct: Multicast Direct must be enabled globally on the WLC to allow multicast traffic to be sent directly to clients using the feature.
- B. Correct.
Correct: You must configure the multicast group address on the WLAN to associate the multicast streams with the appropriate group.
- C. Correct.
Correct: IGMP Snooping must be enabled on the WLC to manage multicast group memberships efficiently and forward multicast traffic appropriately.
- D. Incorrect.
Incorrect: Multicast-to-Unicast conversion is unrelated to Multicast Direct and is typically used in environments where multicast is not supported end-to-end.
- E. Incorrect.
Incorrect: While IGMPv3 support is beneficial, it is not a strict requirement for enabling Multicast Direct.