ZyXEL Communications GS-4012F Manuel d'utilisateur télécharger pdf (Page 4)

MVR Support Note

matches the switch configured multicast MAC address. If it matches,

the switch CPU modifies the hardware address table to include this

receiver port and VLAN as a forwarding destination of 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 would eliminate 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 for 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 Manuel d'utilisateur Page 4