User’s Manual of FGSD-1022 Series
The page includes the following fields:
Object Description
IGMP Protocol:
Enable or disable the IGMP protocol.
IGMP Fast leave:
Enable or disable Fast Leave on the port.
IGMP Querier:
Enable or disable the IGMP query function. The IGMP query information will be
displayed in IGMP status section.
IGMP Router Port:
Allows user choosing three IGMP router port modes as follows:
a. Auto: It is dynamic IGMP router port mode, system detects
multicast source then set the port to router port automatically.
b. Static: System will be forced to forward IGMP Join or Leave control
packet to another switch via an indicate port.
c. Forbidden: Allows user to set an indicate port to non-router port.
Fast Leave:
The Managed Switch can be configured to immediately delete a member port of a multicast service if a
leave packet is received at that port and the fast leave function is enabled for the parent VLAN. This allows
the Managed witch to remove a port from the multicast forwarding table without first having to send an IGMP
group-specific query to that interface.
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