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• RFC 4605, Internet Group Management Protocol (IGMP)/Multicast Listener Discovery (MLD)-Based
Multicast Forwarding ("IGMP/MLD Proxying")
MLD configuration task list
Task Remarks
Configuring basic MLD functions
Enabling MLD Required
Configuring the MLD version Option
Configuring static joining Optional
Configuring an IPv6 multicast group filter Optional
Setting the maximum number of IPv6 multicast
groups that an interface can join
Optional
Adjusting MLD performance
Configuring Router-Alert option handling
methods
Optional
Configuring MLD query and response
parameters
Optional
Configuring MLD fast-leave processing Optional
Enabling the MLD host tracking function Optional
Setting the DSCP value for MLD messages Optional
Configuring MLD SSM mapping
Enabling MLD SSM mapping Optional
Configuring MLD SSM mappings Optional
Configuring MLD proxying
Enabling MLD proxying Optional
Configuring IPv6 multicast forwarding on a
downstream interface
Optional
NOTE:
• In MLD view, the configuration is effective globally. In interface view, the configuration is effective on
only the current interface.
• If no configuration is performed in interface view, the global configuration in MLD view will apply to tha
interface. Configurations performed in interface view take precedence over those performed in MLD
view.
Configuring basic MLD functions
Before you configure basic MLD functions, complete the following tasks:
• Enable IPv6 forwarding and configure an IPv6 unicast routing protocol so that all devices in the
domain can be interoperable at the network layer.
• Configure IPv6 PIM-DM or IPv6 PIM-SM.
• Determine the MLD version.
• Determine the IPv6 multicast group address and IPv6 multicast source address for static group
member configuration.
• Determine the ACL rule for IPv6 multicast group filtering.
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