Configurar usuario y contraseña Cisco

CONSOLA
Acceso por Hyperterminal

Configurar conexión Consola con contraseña:
Switch#enable
Switch#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#line console 0
Switch(config-line)#password 123456789
Switch(config-line)#login
Switch(config-line)#exit
Switch(config)#exit
%SYS-5-CONFIG_I: Configured from console by console
Switch#write mem
Building configuration...
[OK]

Configurar conexión Consola con usuario y contraseña:
Switch#enable
Switch#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#line console 0
Switch(config-line)#login local
Switch(config-line)#exit
Switch(config)#username test2 password 2121
Switch(config)#exit
%SYS-5-CONFIG_I: Configured from console by console
Switch#write mem
Building configuration...
[OK]

VTY
Acceso por Telnet.

Configurar conexiones VTY sin encriptar y sin nombre de usuario:
Switch>enable
Switch#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#line vty 0 15
Switch(config-line)#password abcdefghi
Switch(config-line)#login
Switch(config-line)#exit
Switch(config)#exit
%SYS-5-CONFIG_I: Configured from console by console
Switch#write memBuilding configuration...
[OK]

Configurar conexiones VTY con nombre de usuario y contraseña:
Password:
Switch>enable
Password:
Switch#config terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#username test3 password 456789
Switch(config)#line vty 0 15
Switch(config-line)#password test3
Switch(config-line)#login local
Switch(config-line)#exit
Switch(config)#exit
%SYS-5-CONFIG_I: Configured from console by console
Switch#write mem
Building configuration...
[OK]


Configurar conexiones VTY con nombre de usuario y contraseña cifrada (RECOMENDADO):
Password:
Switch>enable
Password:
Switch#config terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#username test3 secret 456789
Switch(config)#line vty 0 15
Switch(config-line)#secret test3
Switch(config-line)#login local
Switch(config-line)#exit
Switch(config)#exit
%SYS-5-CONFIG_I: Configured from console by console
Switch#write mem
Building configuration...
[OK]

* Si no puede cifrarlo mirar mas abajo que hay que tener preparado previamente "Para encriptar los password"

ENABLE

Configurar el acceso privilegiado al Switch (ENABLE) sin encriptar
Switch#
Switch#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#enable password xyz
Switch(config)#exit
%SYS-5-CONFIG_I: Configured from console by console
Switch#write mem
Building configuration...
[OK]

Configurar el acceso privilegiado al Switch (ENABLE) encriptado (RECOMENDADO):
Switch#
Switch#enable
Switch#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#enable secret zxc
Switch(config)#exit
%SYS-5-CONFIG_I: Configured from console by console
Switch#write mem
Building configuration...
[OK]

Como crea un usuario y contraseña sin encriptar:
Switch>enable
Switch#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#username test1 password 123
Switch(config)#exit
%SYS-5-CONFIG_I: Configured from console by console
Switch#write mem
Building configuration...
[OK]
Switch#exit

De momento este usuario no está asociado a ningu tipo de conexión para poder acceder al router.


Para encriptar los password (RECOMENDADO):
Switch#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#service password-encryption
Switch(config)#exit
%SYS-5-CONFIG_I: Configured from console by console
Switch#write mem
Building configuration...
[OK]
Switch#exit

Para Configurar acceso HTTP:
Switch(config)# hostname TestSW
Switch(config)# ip domain-name TestDominio
Switch(config)# ip http server
Switch(config)# ip http secure-server
Switch(config)# ip http authentication local
Switch(config)# username UsuarioTest5 privilege 15 secret 0a1b2c3
Switch(config)# line vty 0 15
Switch(config-line)# privilege level 15
Switch(config-line)# login local
Switch(config-line)# transport input ssh

Tema relacionado: http://gonsystem.blogspot.com/2011/02/como-encriptar-el-comando-show-running.html


Si queremos borrar un usuario:  "no username nombre_De_usuario"