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Nortel Passport 8250 User Manual

Nortel Passport 8250
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Passport 8250
Command Line Interface
Guide
241-5101-201

Table of Contents

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Nortel Passport 8250 Specifications

General IconGeneral
Product TypeSwitch
Form FactorRack-mountable
ManageableYes
Jumbo Frame SupportYes
Power SupplyRedundant

Summary

About this document

Who should read this guide

Identifies the intended audience for the Passport 8250 Command Line Interface Guide.

What you need to know

Lists prerequisite knowledge and topics required before using this guide.

How this guide is organized

Explains the structure and content covered in the various sections of the guide.

Conventions

Documentation conventions

Explains text formatting, syntax, and typographical conventions used throughout the document.

Symbol conventions

Defines the meaning of special symbols and characters used in the CLI commands and text.

Related documents

Passport

Lists related Passport documentation for ATM services and installation.

NMS

References NMS documents relevant to network management and tools.

Requests for Comments (RFC)

Cites RFC documents related to standard management information bases.

Nortel support services

Provides contact information for obtaining technical support and services from Nortel.

Chapter 1 Introducing the Passport 8250

Passport 8250 Overview

Provides an overview of the Passport 8250 as an Integrated Access MUX bridging voice and ATM networks.

Main features

Details the key functionalities, capabilities, and benefits of the Passport 8250 device.

Management information bases (MIB)

Lists the management information bases (MIBs) supported by the Passport 8250 for network management.

Circuit emulation services (CES)

Describes the Passport 8250's compliance with ATM Forum CES-IS and support for AAL1 CBR service.

Provisioning tools

Outlines the CLI, NMS Passport 8250 Tools, and MIB browser used for device management.

Reference clock configuration

Explains how to derive and configure the clocking scheme for the Passport 8250 device.

Constant bit rate (CBR) clocking

Details the CBR clocking modes supported for structured and unstructured services on the Passport 8250.

Fault management

Describes the integrated fault management capabilities provided by the Network Management System (NMS).

Flash file system

Covers the storage of system software and configuration data in the Passport 8250's flash memory.

Chapter 2 Getting started with the CLI

Introducing the CLI

Introduces the command line interface (CLI) as a terminal-based system for managing the Passport 8250.

CLI screen

Explains the visual layout and text command entry process of the CLI interface.

CLI prompt

Details the composition of the CLI prompt, including traffic interface and board slot indicators.

Accessing the CLI

Provides methods for accessing the CLI, including direct connection and remote Telnet sessions.

CLI priority

Explains the priority order for CLI sessions when accessed from different sources.

Logging into the CLI

Step-by-step instructions for initiating a CLI session using username and password.

Changing the password

Describes how to modify the user password using the `passwd` command for security.

Accessing a board in the CLI

Explains how to access and manage specific hardware boards within the Passport 8250 via the CLI.

Getting help in the CLI

Guides users on how to utilize the CLI's built-in help feature for commands and syntax.

Logging out of the CLI

Procedure for terminating an active CLI session gracefully using the `exit` command.

Restarting Passport 8250 device using the CLI

Details the process of rebooting the Passport 8250 device directly from the CLI using the `reboot` command.

CLI commands

Provides a reference list of available CLI commands and their explanations within the document.

Chapter 3 Provisioning ports and connections

Modifying port settings

Instructions for configuring port parameters like line type, line coding, and signal mode for DS-1/E1 interfaces.

Changing port configuration settings

Step-by-step procedure for altering specific port configuration parameters.

Viewing port configuration settings

How to display the current configuration status of DS-1/E1 ports on a service board.

Creating connections

Explains the process and requirements for creating various types of connections using the CLI.

VPI/VCI assignments

Outlines the rules and constraints for assigning Virtual Path Identifiers (VPI) and Virtual Channel Identifiers (VCI).

Time slots

Describes the rules and grouping of time slots for provisioning structured connections.

Signal mode

Specifies the rules for setting the signal mode for different connection types (e.g., E1 CAS).

CBR clocking

Explains the rules for Constant Bit Rate (CBR) clocking for both unstructured and structured services.

Using the map command

Details the syntax and parameters of the `map` command for creating DS-1/E1 connections.

Creating unstructured connections

Provides a procedure for establishing unstructured connections using the CLI.

Creating structured Basic and structured CAS connections

Guides users through the process of creating structured Basic and CAS connections.

Viewing connections mapped to ports

Explains methods to display existing connections associated with specific ports.

Searching by port number

Utilizes the `mshow` command to search and display connections based on port number.

Searching by VPI or VPI/VCI

Employs the `vshow` command for locating connections using VPI or VPI/VCI identifiers.

Deleting connections

Describes how to remove established connections from the system using the `unmap` command.

Chapter 4 Other activities in the CLI

Checking for network connectivity

Explains how to use the `ping` command to test network reachability to remote hosts.

Configuring the ATM uplink port for in-band management

Details the `ibconfig` command for setting up in-band management on the ATM uplink port.

Configuring the redundant ATM uplink port

Covers the `urconfig` command for setting up redundant uplink ports and switching methods.

Modifying boot parameters

Instructions for changing the device's boot parameters using the `bootconfig` command.

Modifying the community strings

Guides on updating SNMP community strings for network management using the `snmpcs` command.

Viewing alarm and information messages

Explains how to enable or disable alarm and information messages displayed in the CLI.

Viewing faults in the fault log

Describes the fault log, its contents, and how it aids in identifying and resolving issues.

Viewing system information

Instructions for viewing the status of boards and the current software version of the Passport 8250.

Chapter 5 Flash file system

Directory structure

Provides an overview of the organization and hierarchy of the Passport 8250's flash file system.

Flash file system commands

Details basic commands like `cd`, `dir`, and `pwd` for navigating the flash file system.

Loading a different software version

Explains the procedure to load alternative software versions using the `bootpath` command.

Downloading software

Outlines the steps required to download new system software onto the Passport 8250 via FTP.

Appendix A Time slots

Converting time slots to hexadecimal format

Provides instructions and tables for converting time slot selections into hexadecimal values for connection provisioning.

Appendix B MIBS

Enterprise MIB

Details the structure and contents of the Passport 8250's Enterprise MIB tables.

Standard MIBs

Lists and describes the standard management information bases (MIBs) supported by the Passport 8250.

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