D-Link DGS-1520 Emulator - Page 169

DGS-1520 Series Gigabit Ethernet Smart Managed Switch CLI Reference Guide Command Default Level Level: 1. Usage Guideline Use this command to display BPDU protection information. If no interface ID is specified, all interfaces' information will be displayed. Example This example shows how to display the BPDU protection information and status of interfaces. Switch#show spanning-tree bpdu-protection Global State: Enabled Interface State Mode Status -------- -------- ------------ eth1/0/1 Enabled Shutdown Under Attack eth1/0/2 Enabled Drop Normal eth1/0/3 Disabled Block - eth1/0/4 Disabled Shutdown Normal eth1/0/5 Disabled Shutdown Normal eth1/0/6 Disabled Shutdown Normal eth1/0/7 Disabled Shutdown Normal eth1/0/8 Disabled Shutdown Normal eth1/0/9 Disabled Shutdown Normal eth1/0/10 Disabled Shutdown Normal eth1/0/11 Disabled Shutdown Normal eth1/0/12 Disabled Shutdown Normal eth1/0/13 Disabled Shutdown Normal eth1/0/14 Disabled Shutdown Normal eth1/0/15 Disabled Shutdown Normal eth1/0/16 Disabled Shutdown Normal eth1/0/17 Disabled Shutdown Normal eth1/0/18 Disabled Shutdown Normal eth1/0/19 Disabled Shutdown Normal CTRL+C ESC q Quit SPACE n Next Page ENTER Next Entry a All This example shows how to display the BPDU protection status of port 1. Switch#show spanning-tree bpdu-protection interface eth1/0/1 Interface eth1/0/1 State -------Enabled Mode -------Shutdown Status -----------Under Attack Switch# Display Parameters Interface State Mode Status Indicates the interface that has BPDU protection enabled. Indicates the interface's configuration state. Indicates the operation mode of the interface. Indicates if the interface is under the protection state. 165