3Com 3CRUS2475 User Manual page 208

208 C 10: C
HAPTER ONFIGURING
M F
ULITCAST ORWARDING
Auto Learn — Indicates if Auto Learn is enabled on the device. If
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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.
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Disable — Disables auto learn.
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Host Timeout — Indicates the amount of time host waits to receive a
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message before timing out. The default time is 260 seconds.
MRouter Timeout — Indicates the amount of the time the Multicast
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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
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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 Select Enable IGMP Snooping.
3 Define the fields.
4 Click
. IGMP Snooping is enabled, and the device is updated.