Configure Local Authentication 
  R1(config)# username user01 algorithm-type scrypt secret user01pass
  
  Configure local authentication for the console line and login
  R1(config)# line console 0 
  R1(config-line)# login local
  
  R1(config)# line vty 0 4 
  R1(config-line)# login local 
  R1(config-line)# transport input telnet