ZyXEL Communications GS-4012F Guide de l'utilisateur télécharger pdf (Page 63)

ES-3100 Series Switch Support Notes

configured multicast MAC address. If matches, the switch CPU

modifies the hardware address table to include this receiver port and

VLAN as a forwarding destination of the MVLAN

 Leave Operation

Subscriber sends an IGMP leave message to the switch to leave the

multicast. The switch CPU sends an IGMP group-specific query

through the receiver port VLAN. If there is another subscriber in the

VLAN, subscriber must respond within the max response time. If

there is no subscriber, the switch eliminates this receiver port.

 Immediate Leave Operation

Subscriber sends an IGMP leave message to the switch to leave the

multicast. Subscribers do not need to wait the switch CPU to send an

IGMP group-specific query through the receiver port VLAN. The

switch will immediately eliminate this receiver port.

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ZyXEL Communications GS-4012F Guide de l'utilisateur Page 63