Ethernet Router Server

Ethernet Router Server Information Document

This document is a technical guide for specialists providing support for the Digital Ethernet Communications Server (DECSA). It provides a comprehensive overview of the DECnet Router Server software product, covering its functionality, installation, and troubleshooting techniques.

Key Sections:

• Overview: Explains the architecture of the Communications Server, including the Server Base and specific products like the DECnet Router Server. It covers LAN and Ethernet concepts, hardware components (PDP-11, PAM, DEUNA), and Ethernet routing handshaking.
• Installation and Checkout: Provides detailed, automated procedures for installing the router software on VMS and RSX hosts. It covers configuring the network and software files, down-line loading the system image, and performing installation certification tests.
• Node Troubleshooting: Details the tools available for managing and diagnosing issues, including standard NCP functions, self-tests, diagnostic images (LDI), loopback testing, event logging, and the on-line debugging tool (POD).
• Internals: Provides an in-depth study of the server software, including the Communications Executive (CEX), data flow, major tasks, and detailed descriptions of internal data structures (e.g., CEXCM, ECL Database, TCB, and LLT).