Cómo configurar un router cisco para que actúe de agente DHCP relay

Activado 21 Oct, 2013 Por Adolfo 648 Comentarios

Logotipo de Cisco Systems A veces nos encontramos con equipos que necesitan acceder a un servidor DHCP que no se encuentra en su propia red. En este caso se ha de atravesar un router que no redistribuye una señal de difusión (broadcast), por lo que no se puede realizar la tarea por defecto y hemos de configurar el primer router que encuentre el equipo.

La configuración del router cisco en este caso es muy sencilla y simplemente hemos de conocer la dirección IP del servidor DHCP (en nuestro ejemplo 192.168.1.1). Suponemos también una dirección para el interfaz del router, que será 10.0.0.247 (perteneciente a otra red). La configuración quedaría de la siguiente forma.

  1. #configure terminal 
  2. (config)#interface f0/0
  3. (config-if)#no shutdown
  4. (config-if)#ip address 10.0.0.247 255.255.255.0
  5. (config-if)# ip helpter-address 192.168.1.1

Con esto ya tenemos el servicio funcionando. Llegará una petición directamente al servidor DHCP por su IP en lugar de hacerlo por la dirección de difusión.

 

Etiquetas: 
Aplicaciones
Routers
CISCO
DHCP

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