CONTENTS

  Title Page

  Copyright Page

  How to Use This Manual

  1      Introduction

  1.1     Background Information and Product Documentation

  1.2     What Is a DEC WANrouter?
    1.2.1      Using DECnet/OSI and DECnet Phase IV Routing
    1.2.2      Using the IP Protocols
      1.2.2.1      Internet Protocols
      1.2.2.2      Routing Protocols
    1.2.3      Address Formats

  1.3     Hardware Information
    1.3.1      Synchronous Ports and Line Configurations

  1.4     DEC WANrouter Management
    1.4.1      Managing IP Routing in a DECnet/OSI Network

  2      DECnet/OSI Modules Used by the DEC WANrouter

  2.1     Module Structure and Function

  2.2     The DEC WANrouter Modules

  FIGURES

  1-1        Reading Map

  1-2        DEC WANrouter and the LAN

  1-3        DEC WANrouter and a WAN

  1-4        The DEC MicroServer Unit-Back Panel

  2-1        CSMA-CD Module

  2-2        DDCMP Module

  2-3        Event Dispatcher Module

  2-4        HDLC Module

  2-5        LAPB Module

  2-6        Modem Connect Module

  2-7        MOP Module

  2-8        NSP Module

  2-9        Routing Module

  2-10       Session Control Module

  2-11       X25 Access Module

  2-12       X25 Protocol Module

  TABLES

  1-1        Routing Algorithms

  1-2        DEC WANrouter Line Speeds

  2-1        Modules, Entities and Child Entities for the DEC WANrouter