Cisco APIC Layer 3 Networking Configuration Guide, Release 6.2(x)

MLD Snooping

Updated: April 17, 2026

Describes how Cisco ACI integrates with Microsoft Network Load Balancing (NLB), including unicast, multicast, and IGMP modes, configuration guidelines, and GUI procedures

This chapter contains the following sections:

Cisco APIC and MLD snooping

Explains how Multicast Listener Discovery snooping enables efficient distribution of IPv6 multicast traffic between hosts and routers in Cisco APIC environments.

Guidelines and limitations for MLD snooping

Outlines the guidelines and limitations for the MLD snooping feature.

MLD snooping policy configuration and assignment

Describes the process of implementing MLD snooping functionality by configuring a policy and assigning it to bridge domains.

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