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eSight V300R010C00 Operation Guide 07

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Configuration File Management Introduction

Configuration File Management Introduction

This section describes the definition, functions, application restrictions, and key indicators of configuration file management.

Definition

The content of the configuration file on the device changes as the services on the device change or expansion. eSight uses the configuration file management component to back up, compare, and restore configuration files of managed devices.

Functions

eSight allows you to import, back up, restore, and compare device configuration files and manage baseline file versions. When faults occur on the network, you can compare the configuration file in use with the configuration file that was saved when the network was running properly. By checking the added, modified, and deleted information, you can quickly locate the fault and resolve it. You can also manage configuration changes. eSight automatically compares the differences between backup and original configuration files to obtain configuration changes and notifies you of the changes by emails.

Device Configuration Management
  • Backup task

    eSight can periodically (daily, weekly, or monthly) back up configuration files of devices specified in a backup task at a specified time. eSight can back up configuration files when receiving a configuration change alarm. Backup tasks can be executed at regular intervals or immediately after a configuration change alarm is generated. You can receive backup execution results by emails. The attachment in an email provides a list of devices whose configuration files fail to be backed up.

  • Configuration file

    You can back up and restore the running or startup configuration file of a specified device, specify a configuration file as a baseline version, and change the FTP operation types of selected devices (except non-Huawei devices). You can also view the running and startup configuration files that have been backed up on eSight and export configuration change reports in Excel format.

    You can view configuration files that have been downloaded from eSight to a local device.

    You can compare, download, import, and delete configuration files. The file comparison function allows you to compare configuration files backed up on the eSight server.

  • Configuration change

    After a configuration file is backed up, eSight automatically compares the differences between backup and original configuration files to obtain configuration changes. You can check the detailed configuration changes, including file addition, deletion, and modification.

System Parameter Management
  • Backup parameter
    • You can set the maximum number of configuration files that can be stored on the eSight server for each device. If the number of configuration files of a device on the eSight server exceeds the maximum, eSight automatically deletes the earliest configuration file.
    • You can configure whether to send an alarm upon configuration file change.
    • You can configure whether to trigger a backup upon device configuration change.
    • You can configure whether to save the running configuration during backup.
    • You can configure the configuration file backup policy.
  • Email notification

    You can create a backup task execution result notification and a configuration file change notification. You can select a recipient from existing users or user groups (set in System > System Settings > System Interconnection > Set Notified User > User Group) and set the email subject and notification sending time for the configuration file change notification.

Faulty Device Replacement

Faulty devices can be replaced on the physical topology. You can select the configuration file backup of the original device, deliver it to the new device, and set it as the startup configuration file of the new device.

Figure 12-47 Faulty device replacement entrance
Figure 12-48 Faulty device replacement

Application Restrictions

  • Execute the configuration task.
    • By default, configuration files are backed up and restored through SFTP. To back up and restore configuration files through FTP or TFTP, ensure that the corresponding service has been enabled. For details about how to enable the service, see Maintenance Guide > Common Operations and Configuration > Configuring the eSight File Transfer Protocols.
    • To back up and restore the configuration file of a device through SFTP, enable the SSH client on the device. For example, for the Huawei S9312, run the ssh client first-time enable command on it to start the SSH client first.
    • It is time-consuming to provision a large amount of device configuration data. Therefore, execute the provisioning task during off-peak hours to avoid affecting network services.
    • Network configuration adjustment may cause network interruption and must be performed during off-peak hours to avoid affecting network services.
  • If a short automatic backup interval is specified for a device, eSight will be frequently back up the device's configuration file, compromising the performance of eSight. In this case, you are advised to extend the automatic backup interval for the device.
  • When eSight restores the configuration file for a device, the device globally executes the configuration file and overwrites all the original data. This may affect services of the live-network core switch. Before executing the restoration task, check the device configuration, evaluate the service risks, apply for sufficient task time, and obtain the customer's acknowledgement in written form.
  • After confirming that a backup configuration file is correct, users can specify the backup configuration file as a baseline configuration file for restoring device configuration files in batches upon device failure. eSight does not specify a default baseline file. You need to manually specify a baseline file. Each device can have only one baseline file. The baseline file cannot be deleted unless another configuration file is specified as a baseline file. It is risky to restore the configuration file to the baseline file. Ensure that the baseline configuration file meets the service requirements on the live network.

KPIs

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Updated: 2019-06-30

Document ID: EDOC1100044378

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