Exercise 5 (2/2) configure passwords

• examine the config, note that the passwords are in plaintext

  # show conf
  
  ...
  enable password mysecret
  ...
  line con 0
  password mysecret
  ...
  line vty 0 4
  password mysecret
  login

• encrypt the passwords, then examine the config again

  router(config)#service password-encryption
  
  router(config)#^Z
  router#sho conf

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