About this task
 
		The following procedure resets the login configuration mode to the default value using the 
		  no aaa authentication login command. 
		
 
	 
	 Procedure
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		   In privileged EXEC mode, use the 
			 configure terminal command to enter global configuration mode. 
		   
		   
			 device# configure terminal
Entering configuration mode terminal  
 
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		   Enter the 
			 no aaa authentication login command to remove the configured authentication sequence and to restore the default value (Local only). 
		   
		   
			 device(config)# no aaa authentication login 
 
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		   Verify the configuration with the 
			 do show running-config aaa command. 
		   
		   
			 device(config)# do show running-config aaa
aaa authentication login local 
 
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		   Log in to the device using an account with TACACS+-only credentials. The login should fail with an "access denied" error. 
		   
		
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		   Log in to the device using an account with local-only credentials. The login should succeed.