D-Link DGS-1510 User Manual - Page 334
BPDU Attack Protection, Apply, Delete, Security > BPDU Attack Protection, State
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DGS-1510 Series Gigabit Ethernet SmartPro Switch Web UI Reference Guide Click the Apply button to accept the changes made. Click the Delete button to remove the specified entry. BPDU Attack Protection This window is used to view and configure the BPDU attack protection settings. In generally, there are two states in the BPDU attack protection function. One is normal state, and another is under attack state. The under attack state have three modes: drop, block, and shutdown. A BPDU protection enabled port will enter an under attack state when it receives one STP BPDU packet and it will take action based on the configuration. Thus, BPDU protection can only be enabled on the STP-disabled port. BPDU protection has a higher priority than the FBPDU setting configured by configure STP command in the determination of BPDU handling. That is, when FBPDU is configured to forward STP BPDU but BPDU protection is enabled, then the port will not forward STP BPDU. BPDU protection also has a higher priority than the BPDU tunnel port setting in determination of BPDU handling. When a port is configured as a BPDU tunnel port for STP, it will forward STP BPDU but if the port is BPDU protection enabled, the port will not forward STP BPDUs. To view the following window, click Security > BPDU Attack Protection, as shown below: Figure 9-64 BPDU Attack Protection Window The fields that can be configured are described below: Parameter Description BPDU Attack Protection State Select to enable or disable the BPDU attack protection feature's global state here. BPDU Attack Protection Trap Select to enable or disable the BPDU attack protection feature's State trap state here. 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 feature's state on the port(s) specified. Mode Select the BPDU attack protection feature's mode that will be applied to the port(s) specified. Options to choose from are: 323
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