FS728TP Smart Switch Software Administration Manual
Configuring Switching Settings 4-45
v1.1, September 2009
• Status – Select the IGMP Snooping status on the VLAN. The possible field values are:
– Enable – Enables IGMP Snooping on the VLAN.
– Disable – Disables IGMP Snooping on the VLAN.
• Auto Learn – Select the Auto Learn status on the device. If Auto Learn is enabled, the 
devices automatically learns where other Multicast groups are located. The possible field 
values are:
– Enable – Enables auto learn.
– Disable – Disables auto learn.
• Host Timeout – Enter the amount of time in seconds the host waits to receive a message 
before timing out. The default value is 260 seconds.
• MRouter Timeout – Enter the amount of the time in seconds the Multicast router waits to 
receive a message before it times out. The default value is 300 seconds.
• Leave Timeout – Enter the amount of time in seconds the host waits, after requesting to 
leave the IGMP group and not receiving a Join message from another station, before 
timing out. If a Leave Timeout occurs, the switch notifies the Multicast device to stop 
sending traffic The field range is 0 - 2147483647. The default value is 10 seconds.
2. Select the IGMP Snooping Status and Bridge Multicast Filtering Status in the provided 
fields.
3. Click APPLY to update the device.
To configure IGMP Snooping on a VLAN:
1. Click Switching > Multicast > Advanced > IGMP Snooping Configuration.
 The Advanced 
IGMP Snooping Configuration screen displays.
2. Select the VLAN ID entry in the Interface Settings table.
3. Select the Status and Auto Learn status from the lists in the provided fields in the first row.
4. Enter the Host, MRouter and Leave Timeouts in the provided fields in the first row.
5. Click APPLY to update the device.
Multicast Group Configuration
The Multicast Group Configuration screen contains fields for creating, deleting and modifying 
Multicast service groups. The Multicast Group Configuration table contains up to 32 Multicast 
service groups.