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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As to how it can be configured to the port - globally or per port. If you set it globally, it will configure all ports configured as edge ports with bpdu guard. Per port is self-explanatory.
Enabling bpdu guard does not enable or disable portfast. Edge ports, by their nature, are configured portfast enabled as they are assumed to be connected to end hosts and not other switches.