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GS920 Series Gigabit Ehternet Switch Installation and User's Guide
Flooding
DIP switch # 4 enables or disables the Flooding feature. See Figure 42,
"Front Panel Configuration Switches and LEDs" on page 72 for the DIP
switch location on the front panel.
Note
The Flooding feature has priority over Multicast Frame
Pass-Through feature when both are enabled.
Note
When Flooding is enabled, all packet types including BPDU packets
are allowed to pass through the switch with the following exceptions:
a. Any MAC address containing Ether-type 0x8808 is filtered on the
AT-GS920/8 only.
b. 802.3x Pause Frames are filtered.
Allied Telesis recommends disabling the Multicast Frame Pass-Through
feature when the Flooding feature is enabled.
Enabling Flooding
Perform the following procedure to enable the Flooding feature:
1. Set DIP switch # 4 to the UP position to enable this feature. See
Figure 49.
Figure 49. DIP Switch Settings for Enabling Flooding
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