D-Link xStack DES-3528 Series

xStack® DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch CLI Reference Guide
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To display the BPDU Attack Protection status for ports 1-4 of the Switch:
DES-3528:admin# show bpdu_protection ports 1-4
Command: show bpdu_protection ports 1-4
Port State Mode Status
------ ----------- ---------- ----------
1 Enabled Drop Normal
2 Disabled Drop Normal
3 Disabled Drop Normal
4 Disabled Drop Normal
DES-3528:admin#