User Manual UMN:CLI
V5808
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host for a particular multicast group, the switch then adds a port number connected to the
host and a destination multicast group to the forwarding table entry; when the switch
receives a leave message from a host, it removes the entry from the table.
By maintaining this multicast forwarding table, the V5808 dynamically forward multicast
traffic only to those interfaces that want to receive it as nominal unicast forwarding does.
Fig. 9.4 IGMP Snooping
9.2.2.1 Enabling IGMP Snooping
You can enable IGMP snooping globally or on each VLAN respectively. By default, IGMP
snooping is globally disabled.
To enable IGMP snooping, use the following command.
Enables IGMP snooping globally.
ip igmp snooping vlan VLANS
Enables IGMP snooping on a VLAN.
VLANS: VLAN ID (1-4094)
To disable IGMP snooping, use the following command.
Disables IGMP snooping globally.
no ip igmp snooping vlan
VLANS
Disables IGMP snooping on a VLAN.
VLANS: VLAN ID (1-4094)
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