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DES-7200 Configuration Guide Chapter 4 MLD
Configuration
4-5
Membership Report message and Done message of version 1.
Caution
The multicast layer-3 interface of DES-7200 router can only allow up to 253
specific sources for specific groups. The user can perform the unicast of
allowed specific sources.
The multicast layer-3 interface of DES-7200 router can only filter up to 253
specific sources for specific groups. The user cannot perform the unicast of
filtered specific sources.
4.1.2 MLD Protocol Specifications
The current MLD protocols include:
RFC2710: Multicast Listener Discovery (MLD) for IPv6
RFC3810: Multicast Listener Discovery Version 2 (MLDv2) for IPv6
4.2 MLD Configuration Task
MLD configuration tasks include the following items, but only some configurations
are compulsory, while other tasks are optional according to the specific needs of
the network. Note: The following command must be configured on the layer-3
interface.
4.2.1 Default MLD Configurations
Function Default setting
MLD version All interfaces support version 2
Query Response Interval 10 seconds
Query Interval 125 seconds
Multicast Group Access Control All groups allowed
Other Querier Present Interval 255 seconds
Robustness Variable 2
Last Listener Query Interval 10 (0.1s)
Last Listener Query Count 2
MLD state Disabled
4.2.2 Enable MLD Protocol
MLD needs to be used with multicast routing protocol. If the multicast routing
protocol is enabled, the MLD protocol will also be enabled. Run the following
command in the interface configuration mode:
Command Function
DES-7200(config-if) # ipv6 pim
sparse-mode
Enable the multicast routing protocol
and MLD.