Why does the Telnet connection fail after the terminal prompts that the password is not set?

Created: Apr 7, 2017 08:40:26Latest reply: Apr 7, 2017 14:07:34 684 1 0 0
Why does the Telnet connection fail after the terminal prompts that the password is not set?
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Adamcolob  Visitor   Created Apr 7, 2017 14:07:34 Helpful(0) Helpful(0)

The cause is that the relevant configuration is incorrect in the VTY user interface view. To be specific, the authentication mode of password is set (through the authentication-mode password command), but the password is not set (through the set authentication password cipher password command). In this case, you need to set the password or run the authentication-mode aaa command to change the authentication mode to aaa to rectify the fault.
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