All APs are receiving multicast traffic, instead of only the APs that need it.
What is the cause of this problem?
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A. B. C. D.D.
Multicast traffic is a type of network traffic where data packets are sent from a single source to multiple destinations. In a wireless network, access points (APs) may need to receive multicast traffic to support services such as video streaming or voice over IP (VoIP). However, it is important to ensure that only the APs that require the multicast traffic receive it, as unnecessary traffic can cause performance issues.
In this scenario, all APs are receiving multicast traffic, which indicates that the multicast traffic is not being properly filtered. The cause of this problem could be one of the following:
A. The multicast group includes all APs: This means that the multicast traffic is being sent to a multicast group that includes all APs. This would cause all APs to receive the traffic, regardless of whether they need it or not.
B. The wrong multicast address was used: Multicast traffic is sent to a specific multicast address, which identifies the group of devices that should receive the traffic. If the wrong multicast address is used, it is possible that all APs are receiving the traffic.
C. The multicast group is assigned the wrong VLAN: VLANs are used to segment the network into logical groups. If the multicast group is assigned to the wrong VLAN, all APs on that VLAN would receive the multicast traffic.
D. Multicast IGMP snooping is not enabled: IGMP snooping is a feature that allows a switch to filter multicast traffic based on IGMP messages sent by the devices on the network. If IGMP snooping is not enabled, the switch may flood multicast traffic to all ports, causing all APs to receive it.
To troubleshoot this issue, network administrators should first verify that the multicast group is correctly configured and that the correct multicast address is being used. They should also ensure that the multicast group is assigned to the correct VLAN and that IGMP snooping is enabled on the switch. Once these settings have been verified, administrators can use network monitoring tools to identify which APs are receiving the multicast traffic and determine if they actually need it. Based on this information, they can adjust the multicast configuration to ensure that only the necessary APs receive the traffic.