DGS-3130 Series Layer 3 Stackable Managed Switch Web UI Reference Guide 
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Figure 9-70 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. 
 
MAC Authentication 
This window is used to display and configure the MAC authentication settings. MAC authentication is a feature 
designed to authenticate a user by MAC address when the user is trying to access the network via the Switch. The 
Switch itself can perform the authentication based on a local database or be a RADIUS client and perform the 
authentication process via the RADIUS protocol with a remote RADIUS server. 
To view the following window, click Security > MAC Authentication, as shown below: