3. User account Management
       
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        Command log 
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      Note) | 
      
      User can make a lot of log-in account and allow 
      various access permission level.  | 
    
    
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      Notice) | 
    
    
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      1. super user account "root" cannot be erase. 
      2. Just root can view full user account list or other information(even if 
      level is admin,user except root account can only see the information of 
      oneself. So root account can add or delete user account. ) | 
    
    
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      Note)  | 
      
      login using login name "root" | 
    
    
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      login: root 
      Password: 
      AP2502-FE - Login : root at tty/0 on Thu Jan 1 00:03:35 1970 
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      Note) | 
      
      confirm user account information | 
    
    
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      router# show user
       
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          Login Name  | 
          
          Password | 
          
          User Level | 
          
          Timeout | 
         
        
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          ------------------------------------------------------------------------------ | 
         
        
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          root | 
          
          router | 
          
          ADMIN | 
          
          0 | 
         
       
      router# config
       
      Enter configuration commands, one per line. End with CNTL/Z
       
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      Note)  | 
      
      add user account | 
    
    
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      router(config)# user ?
       
      add Add new user at User entry
       
      change Change User's Password
       
      level Change User's Access Level
       
      timeout Change User's auto logout timerouter(config)# user add addpac1 ?
       
       Passowrd for given login 
      router(config)# user add addpac1 addpac1 ?
       
      admin , high, normal or low 
      router(config)# user add addpac1 addpac1 admin ?
       
       
      router(config)#
      user add 
      addpac1 addpac1 admin 
      router(config)# 
      router(config)#
      user add 
      addpac2 addpac2 high 
      router(config)#
      user add 
      addpac3 addpac3 normal 
      router(config)# user add addpac4 addpac4 low
      
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      Note)  | 
      
      confirm | 
    
    
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      router(config)# 
      show user 
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          Login Name  | 
          
          Password | 
          
          User Level | 
          
          Timeout | 
         
        
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          ------------------------------------------------------------------------------ | 
         
        
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            root 
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            router 
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            ADMIN 
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            0 
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            addpac1 
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            addpac1 
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            ADMIN 
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            0 
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            addpac2 
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            addpac2 
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            HIGH 
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            0 
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            addpac3 
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            addpac3 
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            NORMAL 
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            0 
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            addpac4 
           
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            addpac4 
           
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            LOW 
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            0 
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          router(config)# end | 
         
        
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          router#exit | 
         
        
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      Note)
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      re-login via new account | 
    
    
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      login: addpac1 
      Password: AP2502-FE - Login : 
      addpac1 at tty/0 on Thu Jan 1 00:08:34 1970 
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      Note)  | 
      
      accout "addpac1" just can see its information. | 
    
    
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      (compare same command with root) 
       
       
      router# 
      show user 
       
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          Login Name  | 
          
          Password | 
          
          User Level | 
          
          Timeout | 
         
        
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          ------------------------------------------------------------------------------ | 
         
        
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          addpac1 | 
          
          addpac1 | 
          
          ADMIN | 
          
          0 | 
         
       
      router#
       
¡¡  | 
    
    
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      Note) | 
      
      user accoun "addpac1" just can modify its own 
      information. | 
    
    
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      router# config 
      Enter configuration commands, one per line. End with CNTL/Z 
      router(config)# user change ?
       
       Login name of user entry 
      router(config)# user change addpac1 ?
       
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           Old Passowrd for given 
          login | 
          
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          router(config)# user change addpac1 
          addpac1 ? | 
         
        
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           New Passowrd for given 
          login | 
         
        
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          router(config)# user change addpac1 
          addpac1 addpac11 | 
         
       
      
       
      router(config)# user lavel ?
       
      Invalid input command - (lavel) 
      router(config)# user level ?
       
       Login name of user entry 
      router(config)# user level addpac1 ? 
       Old Passowrd for given login 
      router(config)# user level addpac1 addpac11 ?
       
      admin , high, normal or low 
      router(config)#
      user level 
      addpac1 addpac11 low 
¡¡ 
      
        
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          This command is allowed only root | 
          
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          router(config)# user timeout ? | 
         
        
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           Login name of user entry | 
         
        
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          router(config)# user timeout addpac1 ? | 
         
       
       Time out value 
      (second, 0 is forever) 
      router(config)#
      user 
      timeout addpac1 120 
¡¡ 
      
        
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          router(config)#18
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