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DES-7200 Configuration Guide Chapter 9 MLD Snooping Configuration
9-5
The function of restraining MLD report Disabled
The function of source port check Disabled
Port-based filtration of unicast group of specific
multicast
Disabled
Number of port-based max-restriction multicast group 1024
9.2.2 Enable Global MLD Snooping
It is necessary to specify the working mode of MLD Snooping when enabled MLD
Snooping is set as default. You may assign one of the three modes of IVGL,
SVGL and IVGL-SVGL (coexist).
Caution
After enabling the layer2 multicasting on the Private VLAN and Super VLAN, if
the multicast source exists in the Sub-VLAN, one more route entry is needed to
be duplicated and the ingress is the Sub-VLAN in which the multicast streams
enter as the ingress validity check is required when multicast forwarding,
resulting in occupying one more multicast hardware entry with 1 less multicast
capacity.
9.2.2.1 Configuring IVGL Mode
To enable the MLD Snooping and configure the IVGL mode, run the following
commands:
Command Function
DES-7200(config)# ipv6 mld
snooping ivgl
Enable the MLD Snooping and
configure the IVGL mode. By default,
the MLD Snooping is disabled.
DES-7200(config)# exit Return to the privilege mode.
DES-7200# show ipv6 mld
snooping
Verify the configurations.
The following example shows how to enable the MLD Snooping and configure the
IVGL mode:
DES-7200# configure terminal
DES-7200(config)# ipv6 mld snooping ivgl
DES-7200(config)# exit
DES-7200# show ipv6 mld snooping
MLD-snooping mode :IVGL
SVGL VLAN-ID :1
SVGL profile number :0
Source check port :Disable
Query Max Response Time :10 (Seconds)
9.2.2.2 Configuring SVGL Mode
To enable the MLD Snooping and configure the SVGL mode, run the following
commands:
Command Function
DES-7200(config)# ipv6 mld
snooping svgl
Enable the MLD Snooping and
configure the SVGL mode. By default,
the MLD Snooping is disabled.