D-Link DGS-3620-52T CLI Guide - Page 209
BPDU Attack, Protection Commands
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xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch CLI Reference Guide Chapter 13 BPDU Attack Protection Commands config bpdu_protection ports [ | all] {state [enable | disable] | mode [drop | block | shutdown]}(1) config bpdu_protection recovery_timer [ | infinite] config bpdu_protection [trap | log] [none | attack_detected | attack_cleared | both] enable bpdu_protection disable bpdu_protection show bpdu_protection {ports {}} 13-1 config bpdu_protection ports Description This command is used to configure port state and mode for BPDU protection. Format config bpdu_protection ports [ | all] {state [enable | disable] | mode [drop | block | shutdown]} (1) Parameters - Specify a range of ports to be configured. all - Specify to set all ports in the system. state - Specify the BPDU protection state. The default state is disabled. enable - Enable the BPDU protection state. disable - Disable the BPDU protection state. mode - Specify the BPDU protection mode. The default mode is shutdown. drop - Specify to drop all received BPDU packets when the port enters the under attack state. block - Specify to drop all packets (include BPDU and normal packets) when the port enters the under attack state. shutdown- Specify to shut down the port when the port enters the under attack state. Note: Only shutdown mode will make port link down, If the port status is Err-disabled but port link is up, please check "show ports err-disabled" command for the reason. Restrictions Only Administrator, Operator and Power-User level users can issue this command. Example To configure port state to enable and drop mode: 204