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Allied Telesis AT-8000S Switch
Web Browser Interface User’s Guide
–Enable — Enables IGMP Snooping on the VLAN.
–Disable — Disables IGMP Snooping on the VLAN.
•Auto Learn — Indicates if Auto Learn is enabled on the device. If Auto Learn is enabled, the devices
automatically learns where other Multicast groups are located. Enables or disables Auto Learn on the
Ethernet device.The possible field values are:
–Enable — Enables auto learn
–Disable — Disables auto learn
•Host Timeout — Indicates the amount of time host waits to receive a message before timing out. The default
time is 260 seconds.
•MRouter Timeout — Indicates the amount of the time the Multicast router waits to receive a message before
it times out. The default value is 300 seconds.
•Leave Timeout — Indicates the amount of time 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 Leave Timeout value is either user-defined, or an
immediate leave value. The default timeout is 10 seconds.
2. Click the Enable IGMP Snooping Status checkbox. IGMP Snooping is enabled on the device.
To modify the IGMP Snooping configuration:
1. Click Multicast > IGMP. The IGMP Page opens.
2. Click Modify. The IGMP Snooping Settings Page opens:
Figure 63: IGMP Snooping Settings Page
3. Modify the VLAN ID, IGMP Status Enable, Enable Auto Learn, Host Timeout, MRouter Timeout, and Leave
Timeout fields.
4. Click Apply. The IGMP Snooping global parameters are modified, and the device is updated.
5. Click Save Config on the menu to save the changes permanently.