D-Link DGS-3130 User Manual - Page 301

DGS-3130 Series Layer 3 Stackable Managed Switch Web UI Reference Guide Figure 9-67 BPDU Attack Protection Window The fields that can be configured in BPDU Attack Protection Global Settings are described below: Parameter BPDU Attack Protection State BPDU Attack Protection Trap State Description Select to enable or disable the global BPDU attack protection state here. 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 Unit From Port - To Port State Mode Description Select the Switch unit that will be used for this configuration here. Select the appropriate port range used for the configuration here. Select to enable or disable the BPDU attack protection state on the port(s) specified. 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: 291