There is no question the router plays a vital role in networking. If this device were...

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There is no question the router plays a vital role innetworking. If this device were to be controlled by an attacker,then the entire CIA goal can be violated. As such, you can argueabout the need to protect the router administratively, physically,and technically. Our focus again is on the technical part. Havingsaid this, discuss the methods that can be used on a standard IOSrouter that will prevent unauthorized access to the router. Also,discuss how privilege levels and role-based CLI can improve thesecurity on the router.

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The Authentication Authorization and Accounting AAA framework is plays an important role to secure network devices The AAA framework provides authentication of management sessions and can also limit users to specific administratordefined commands and log all commands entered by all users These also provides highly configurable environment that can be altered with respect to different needs of network TACACS Authentication It is an authentication protocol that IOS devices can use for See Answer

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