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CCNA EXP MOD_IV_CHAPTER_2_EB
 

CCNA EXP MOD_IV_CHAPTER_2_EB

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    CCNA EXP MOD_IV_CHAPTER_2_EB CCNA EXP MOD_IV_CHAPTER_2_EB Presentation Transcript

    • Protocolo Punto a Punto (PPP) Accediendo la WAN – Capítulo 2ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1
    • Objetivos Describir los conceptos fundamentales de la comunicación serial punto a punto. Describir los conceptos claves acerca del PPP. Configurar la encapsulación PPP. Explicar y configurar la autenticación PAP y CHAP.ITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 2
    • 2.1 Enlaces seriales punto a punto Accediendo la WAN – Capítulo 2ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 3
    • ¿Cómo funciona la comunicación serial? Comunicación Serial y ParalelaITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 4
    • ¿Cómo funciona la comunicación serial? Sesgo de reloj de la Comunicación ParalelaITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 5
    • Proceso de la comunicación serialITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 6
    • Conector de 9 pins (RS 232)ITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 7
    • Multiplexación por división de tiempo (TDM)ITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 8
    • Ejemplos de TDMITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 9
    • Punto de DemarcaciónITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 10
    • Conexiones Seriales DCE / DTEITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 11
    • Protocolos de encapsulación WANITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 12
    • Formato de la trama estándar y cHDLCITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 13
    • Tipos de tramas HDLCITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 14
    • Configuración del Encapsulamiento HDLC El HDLC de Cisco es un protocolo de punto a punto que puede utilizarse en líneas alquiladas entre dos dispositivos Cisco.ITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 15
    • Diagnóstico de fallas de una interface serial Se pueden identificar cinco estados problemáticos de la línea de estado de la interfaz en la salida de show interfaces serial: – Serial x is down, line protocol is down – Serial x is up, line protocol is down – Serial x is up, line protocol is up (looped) – Serial x is up, line protocol is down (disabled) – Serial x is administratively down, line protocol is downITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 16
    • 2.2 Conceptos del Protocolo Punto a Punto (PPP) Accediendo la WAN – Capítulo 2ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 17
    • Point to Point Protocol (PPP)ITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 18
    • Arquitecturas de capa PPP – Capa físicaITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 19
    • Arquitecturas de capa PPP – Capa LCPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 20
    • Arquitecturas de capa PPP – Capa NCPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 21
    • Campos de una trama PPPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 22
    • Establecimiento de una sesión PPPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 23
    • Establecimiento del enlaceITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 24
    • Negociación del enlaceITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 25
    • Códigos de LCPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 26
    • Opciones LCPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 27
    • Opción de configuración PPPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 28
    • Campos de Opciones LCPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 29
    • Proceso NCPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 30
    • 2.3 Configuración de PPP Accediendo la WAN – Capítulo 2ITE I Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 31
    • Comandos de configuración de opciones PPPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 32
    • Verificación de PPPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 33
    • Comandos de configuración PPPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 34
    • Depuración de PPPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 35
    • Protocolos de autenticación PPPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 36
    • Autenticación PAPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 37
    • Autenticación CHAPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 38
    • Ejemplo de autenticación CHAPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 39
    • El comando “ppp authentication”ITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 40
    • Configuración de autenticación PAPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 41
    • Configuración de autenticación CHAPITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 42
    • Resumen Las comunicaciones seriales y paralelas TDM / STDM / Punto de Demarcación / DTE – DCE Protocolos de encapsulación WAN La trama HDLC y Chdlc / Tipos de tramas HDLC (información, supervisión y no numerada) Diagnósticos de fallas en los enlaces seriales: –Serial x is down, line protocol is down –Serial x is up, line protocol is down –Serial x is up, line protocol is up (looped) –Serial x is up, line protocol is down (disabled) –Serial x is administratively down, line protocol is downITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 43
    • Resumen Arquitectura PPP – LCP – NCP La trama PPP Fases de la conexión PPP – Establecimiento / Negociación del enlace – Autenticación / Opciones – Proceso NCP Configuración: – Autenticación – Opciones – Verificación – Depuración – Resolución de problemasITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 44
    • ITE 1 Chapter 6 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 45