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DES-3200-10/18/28/28F Layer 2 Ethernet Managed Switch User Manual
BPDU Tunneling Settings
To view this window, click L2 Features > BPDU Tunneling Settings:
Figure 3 - 24. BPDU Tunneling Settings window
IGMP Snooping
Internet Group Management Protocol (IGMP) snooping allows the Switch to recognize IGMP queries and reports sent
between network stations or devices and an IGMP host. When enabled for IGMP snooping, the Switch can add or
remove a port to a specific device based on IGMP messages passing through the Switch.
In order to use IGMP Snooping, it must first be enabled for the entire Switch. Then, fine-tune the settings for each
VLAN using the IGMP Snooping windows in the L2 Features folder. When enabled for IGMP snooping, the Switch
can open or close a port to a specific multicast group member based on IGMP messages sent from the device to the
IGMP host or vice versa. The Switch monitors IGMP messages and discontinues forwarding multicast packets when
there are no longer hosts requesting that they continue.
IGMP Snooping Settings
Use this window to enable or disable IGMP snooping on the Switch. The IGMP Snooping State under IGMP Snooping
Global Settings can be enabled or disabled and a Max Learning Entry Value between 1 and 1024 can be entered in
the field under IGMP Data Driven Learning Settings. Click Apply to modify the settings.
To view this window, click L2 Features > IGMP Snooping > IGMP Snooping Settings:
Figure 3 - 25. IGMP Snooping Settings window
Clicking the Edit button will open this window:
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