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Configuration prerequisites
Before you configure the MLD SSM mapping feature, 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 basic MLD functions.
Enabling MLD SSM mapping
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter interface view.
interface
interface-type
interface-number
N/A
3.
Enable the MLD SSM
mapping feature.
mld ssm-mapping enable
Disabled by default.
NOTE:
To ensure SSM service for all hosts on a subnet, regardless of the MLD version running on the
hosts, enable MLDv2 on the interface that forwards IPv6 multicast traffic onto the subnet.
Configuring MLD SSM mappings
By performing this configuration multiple times, you can map an IPv6 multicast group to different
IPv6 multicast sources.
If MLDv2 is enabled on a VLAN interface , and if an interface in that VLAN is configured as a
simulated host, the simulated host will send MLDv2 reports even if you did not specify an IPv6
multicast source in the
mld-snooping host-join
command. In this case, the corresponding IPv6
multicast group will not be created based on the configured MLD SSM mappings.
To configure an MLD SSM mapping:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter MLD view.
mld
N/A
3.
Configure an MLD SSM
mapping.
ssm-mapping
ipv6-group-address prefix-length
ipv6-source-address
No MLD mappings are configured
by default.
Configuring MLD proxying
This section describes how to configure MLD proxying.
Configuration prerequisites
Before you configure the MLD proxying feature, complete the following tasks: