DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide 
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Figure 9-67 BPDU Attack Protection Window 
 
The fields that can be configured in BPDU Attack Protection Global Settings are described below: 
Parameter  Description 
BPDU Attack Protection 
State 
Select to enable or disable the global BPDU attack protection state here. 
BPDU Attack Protection 
Trap State 
Select to enable or disable the BPDU attack protection trap state here. 
Click the Apply button to accept the changes made. 
 
The fields that can be configured in BPDU Attack Protection Port Settings are described below: 
Parameter  Description 
Unit 
Select the Switch unit that will be used for this configuration here. 
From Port - To Port 
Select the appropriate port range used for the configuration here. 
State 
Select to enable or disable the BPDU attack protection state on the port(s) 
specified. 
Mode 
Select the BPDU attack protection mode that will be applied to the port(s) 
specified. Options to choose from are Drop, Block and Shutdown. 
•  Drop - Drop all received BPDU packets when the port enters under attack 
state. 
•  Block - Drop all packets (include BPDU and normal packets) when the port 
enters under attack state. 
•  Shutdown - Shut down the port when the port enters under attack state. 
Click the Apply button to accept the changes made. 
 
NetBIOS Filtering 
This window is used to display and configure the NetBIOS filtering settings. 
To view the following window, click Security > NetBIOS Filtering, as shown below: