The Meraki tool applies AAA method lists. Make sure you have default method lists for your initial vty lines.
Check your TACACS configuration. The user can be denied access or is prompted to retry the login sequence, depending on the TACACS+ daemon.
The Meraki onboarding script adds additional configurations to your switch. If these configurations conflict with your existing ones, it might prevent you from accessing the switch through SSH.
If you’re unable to resolve the issue, I would recommend reaching out to Meraki support for further assistance.
I am not a Cisco Meraki employee. My suggestions are based on documentation of Meraki best practices and day-to-day experience.
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