PLANET FGSW-2840 User Manual
Page 141
User’s Manual of FGSW-2840 / FGSW-4840S
141
group after the port is removed, the Managed Switch will send IGMP leave message to the router and remove the whole
multicast group.
IGMP Snooping Fundamentals
1. Ports
Router Port:
Indicates the Managed Switch port directly connected to the multicast router.
Member Port:
Indicates a Managed Switch port connected to a multicast group member.
2. Timers
Router Port Time:
Within the time, if the Managed Switch does not receive IGMP query message from the router port, it will
consider this port is not a router port any more. The default value is 300 seconds.
Member Port Time:
Within the time, if the Managed Switch does not receive IGMP report message from the member port, it will
consider this port is not a member port any more. The default value is 260 seconds.
Leave Time:
Indicates the interval between the Managed Switch receiving a leave message from a host and the Managed
Switch removing the host from the multicast groups. The default value is 1 second.
The IGMP Snooping function can be implemented on Snooping Config, Port Config, VLAN Config and Multicast VLAN
pages. The screen in
Figure 4-6-5
appears.
Figure 4-6-5:
IGMP Snooping Page Screenshot
The page includes the following fields:
Object
Description
Configure the IGMP Snooping function on this page.
Snooping Config
Configure the per port IGMP feature on this page.
Port Config
Configure different IGMP parameters for different VLANs on this page.
VLAN Config
Multicast VLAN
Configure the Multicast VLAN function on this page.