Reset the Login Authentication Mode to the Default

Learn how to reset the login authentication mode to default.

About this task

The following procedure resets the login configuration mode to the default value using the no aaa authentication login command.

Run the configure terminal command to access Config mode.
The command line changes to configuration mode.
```
device(config)# 
```
Run the following command to remove the configured authentication sequence and to restore the default value (local-only).
```
device(config)# no aaa authentication login tacacs+ local-auth-fallback
```
Log in to the device using an account with TACACS+-only credentials. The login should fail with an "access denied" error.
Log in to the device using an account with local-only credentials. The login should succeed.