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CLI-based Configuration Guide - Basic Configuration

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the Basic configuration supported by the device.
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File Management Modes

File Management Modes

The device supports multiple file management modes. You can choose a proper file management mode based on service and security requirements.

Users can log in to a device or use the File Transfer Protocol (FTP), Trivial File Transfer Protocol (TFTP), or Secure File Transfer Protocol (SFTP) mode to manage files.

Table 10-1 describes file management modes and their advantages and disadvantages.

Table 10-1  File management modes
Mode Usage Scenario Advantage Disadvantage
Log in to the device

In the scenario of managing storage media, directories, and files, log in to the device through the console port, Telnet, or STelnet. This login mode is mandatory for storage medium management.

You can log in to the device directly to manage storage media, directories, and files.

Only files on the local device can be managed. File transfer is not supported.

FTP

The FTP mode is applicable to the file transfer scenario with low network security requirements. The FTP mode is widely used in version upgrade.

  • The FTP mode is easy to configure and supports file transfer and operations on directories.
  • The FTP mode supports file transfer between two file systems.
  • The authorization and authentication functions are provided.

In FTP mode, data is transmitted in plain text, causing security risks.

TFTP

On the LAN, the TFTP mode can be used to load or upgrade versions online. The TFTP mode is applicable to the environment without complicated interactions between a client and a server.

Compared with FTP mode, TFTP mode consumes less memory usage.

  • The TFTP mode supports only file transfer.
  • In TFTP mode, data is transmitted in plain text, causing security risks, and no authorization or authentication function is provided.
SFTP The SFTP mode is applicable to the scenario with high network security requirements. The SFTP mode is widely used in log download and file backup.
  • Data is encrypted and protected.
  • The SFTP mode supports file transfer and operations on directories.
Configurations are complicated.

The device can function as a server or client to manage files.

  • When the device functions as a server, you can access the device on a client to manage files on the device and transfer files between the device and the client.
  • When the device functions as a client, you can use the device to manage files on other devices and transfer files between the device and other devices.
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Updated: 2019-08-08

Document ID: EDOC1100034066

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