local-user admin

password simple admin
service-type telnet http https terminal
authorization-attribute user-role level-15
authorization-attribute user-role network-admin
authorization-attribute user-role network-operator

 

password-control length 4
password-control composition type-number 1 type-length 1
undo password-control complexity user-name check
undo password-control enable

line vty 0 63

authentication-mode scheme

ip http enable

ip https enable

telnet server enable