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BPDU Guard Role

BPDU Guard Role

If I understand BPDU Guard is configured on Edge Ports along with Portfast.
Reading this Cisco artcile:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli/CLIConfigurationGuide/SpanningEnhanced.html
It does not say the Portfast has to be configured for BPDU Guard to have effect.

It also states:
you can configure BPDU Guard at the interface level regardless of the typ of the configuration.. what I understand from that, you can even configure it if the interface is a Trunk.

Any Expert to shade some lights on this topic?

Thank you
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When BPDU is configured Globally on the switch,  then one of the Ports has received BPDU, will the switch  put all the ports on the switch into Err-Disabled stated or just the port that has received BPDU ?

Thanks
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Thank you
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Thanks