Switching (VLAN/STP)

spanning-tree bpduguard enable

Shut the port down if it receives a BPDU — protects PortFast ports.

Works on: SwitchMode: iface
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Don't just read it — type spanning-tree bpduguard enable in a real network simulator in your browser and watch it take effect. No install, no account needed to start.

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Frequently asked

What does the "spanning-tree bpduguard enable" command do?

Shut the port down if it receives a BPDU — protects PortFast ports.

More Switching (VLAN/STP) commands

vlan <id>switchport mode accessswitchport access vlan <id>switchport mode trunkswitchport trunk allowed vlan <list>switchport trunk native vlan <id>interface vlan <id>spanning-tree portfastspanning-tree mode rapid-pvst

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spanning-tree bpduguard enable — network CLI command reference · NetForge-AI