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A Nexus 9K is an expensive piece of kit, and is not a trivial switch to deploy what with VPC and other configurations being commonplace, so just powering it on will not deliver a workable product. I suspect most if not all deployments follow best practice and have a management VLAN with access lists control limiting the source address of the connecting client, and blocking access to port 22 from other networks.

* Edit * Plus the Nexus the backdoor is only relevant if the switch in using ACI, and not standalone NX-OS mode. ACI training is a 5 day course for advanced engineers. https://www.cisco.com/c/en/us/training-events/training-certi...




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