3 CLI Overview
Quidway NetEngine20/20E
Configuration Guide - Basic Configurations
3-2
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 05 (2010-01-30)
3.1 Introduction
This section covers the following topics that you need to know before you configure the
command line.
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Characteristics of the CLI
z
Command Levels
z
Command Line Views
z
Regular Expressions
3.1.1 Characteristics of the CLI
The appearance of the command line prompt means the entry to the command line interface
(CLI). Users often use the CLI to interact with routers.
The system provides a series of configuration commands. Users can configure and manage
the router by entering the command in the CLI.
The CLI has the following characteristics:
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Local or remote configuration through the AUX port.
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Local configuration through the console port.
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Local or remote configuration through Telnet or Secure Shell (SSH).
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Allows logging in to the asynchronous serial interface of a router through Modem dialup
to perform the remote configuration.
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Provides the user interface view for the terminal users to perform specific configuration.
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Hierarchical command protection for the users of different levels, that is, supports
running the commands based on the corresponding level.
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Provides local authentication, password authentication and Authentication, Authorization
and Accounting (AAA) to prevent the unauthorized user from accessing the router.
z
Supports the user to enter
?
for online help at any time.
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Provides the network testing commands such as
tracert
and
ping
for rapidly diagnosing
the fault in a network.
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Provides abundant debugging information to help in diagnosing the network fault.
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Uses the
telnet
command to directly log in to and manage other routers.
z
Provides the FTP service for the convenience of file uploading and downloading.
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Provides the function that is similar to DOS-Key for running a history command.
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The command line interpreter provides intelligent command resolution methods such as
key word fuzzy match and context conjunction. These methods make it easy for users to
enter their commands.
