What is Difference of setting AAA on between router and switch

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What is difference of setting AAA on between router and switch ? If AAA is setup on switch, we can use dot1x. Is there any other difference ? Thanks
davidy2001Asked:
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agonza07Commented:
AAA allows both a router and a switch to have a more granular approach to authentication, authorization, and accounting.

https://learningnetwork.cisco.com/docs/DOC-7905

Once AAA is configured it can be used for a variety of things, dot1x, RADIUS authentication, TACACS+, VPN authentication, even for a VoIP calling card set up.

It's just the underlying layer to a more complex authentication and authorization model.
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davidy2001Author Commented:
Thank you.
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