Device Configuration 5 - 81
5.2.6.5 MLD Snooping
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Profile Network Configuration
Multicast Listener Discovery (MLD) snooping enables a controller, service platform or access point to examine MLD packets
and make forwarding decisions based on content. MLD is used by IPv6 devices to discover devices wanting to receive multicast
packets destined for specific multicast addresses. MLD uses multicast listener queries and multicast listener reports to identify
which multicast addresses have listeners and join multicast groups.
MLD snooping caps the flooding of IPv6 multicast traffic on controller, service platform or access point VLANs. When enabled,
MLD messages are examined between hosts and multicast routers and to discern which hosts are receiving multicast group
traffic. The controller, service platform or access point then forwards multicast traffic only to those interfaces connected to
interested receivers instead of flooding traffic to all interfaces.
To set an IPv6 MLD snooping configuration for the profile:
1. Select Configuration > Profiles > Network.
2. Expand the Network menu to display its submenu options.
3. Select MLD Snooping.
Figure 5-48 Profile - Network MLD Snooping screen
4. Define the following General MLD snooping settings:
Enable MLD Snooping Enable MLD snooping to examine MLD packets and make content forwarding
for this profile. Packets delivered to group members are identified by a single
multicast group address. Multicast packets are delivered to a group using best-
effort reliability, just like IPv6 unicast. MLD snooping is disabled by default.
Forward Unknown
Multicast Packets
Use this option to either enable or disable IPv6 unknown multicast forwarding.
This setting is enabled by default.
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