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Password required but none set


That was the error message when I tried to telnet into a newly configured switch in the lab.  I had full access via the console port but couldn’t telnet into the switch.  There was the standard enable secret xxxx line and a username admin secret xxxx line and nothing under the vty lines.  It turns out that I forgot to set aaa new-model.  Without that the vty lines expect a password to be defined just for them. Now that’s a rookie mistake!

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  1. December 15, 2016 at 11:45 PM

    Is it possible to use RADIUS on a Cisco 3750X Switch without setting a local password at all ? Basically just relying on the RADIUS configured domain user-password pairs.

    Cheers!

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