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eSight V300R010C00SPC200, 300, and 500 Operation Guide 09

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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).
Setting the Detection Conditions

Setting the Detection Conditions

An SLA service is the integration of common services, service quality, and test instances. Common services refer to voice and video applications. Test instances refer to diagnosis tests such as UDP Echo and FTP tests. Service quality refers to the thresholds configured for test instance counters.

Process

Step

Description

1. Create an SLA service.

SLA provides more than ten predefined services. If the predefined services cannot meet your requirements, you can create SLA services as required.

2. Create an SLA task.

An SLA task is a test instance used to check the quality of the network link and services on the network link.

3. Create an SLA view.

This task is performed to add multiple SLA tasks to one SLA view. Then you can view historical data comparison among multiple SLA tasks.

Creating an SLA Service

If devices such as modular switches do not support network quality analysis (NQA) by default, you need to purchase the NQA license for these devices. For details on device support for NQA, see related documents of each device.

  1. Choose Resource > Network > Business > SLA Management from the main menu.

  2. In the navigation tree, choose SLA Management > SLA Service and click Create.
  3. Set Service Name, Description, Compliance threshold (%), and Rating.
  4. Select the corresponding test instance in the lower part, and set Threshold and Weight.

    NOTE:

    SLA collects data of counters in the selected test instance. Only counters that are configured with thresholds are used to calculate the compliance.

    SLA provides the default thresholds and weights for counters based on the Rating value.

  5. Click OK.

Creating an SLA Task

  1. Choose Resource > Network > Business > SLA Management from the main menu.

  2. In the navigation tree, choose SLA Management > SLA Task and click Create.

    NOTE:
    • Click Create and create a task.
    • Choose More > Batch Create and use the template to create tasks in batches.
    • Batch import supports only ICMP Echo, ICMP Jitter, UDP Echo, and UDP Jitter test cases.
    • A maximum of 500 or 1000 tasks can be imported at a time. (For details about the specific limitation, see the prompt on the page.)
    • During batch import, the SLA task list exported from other eSight systems in batches can be directly used. On the configuration page of the corresponding eSight system, choose More > Export Task to export SLA tasks in batches.
    • During batch import, the import operation continues in the background if the page is directly closed.
    • Choose More > Export Task to export the current SLA tasks on eSight.

  3. Set parameters in the Task Basic Settings area.

    1. Set Task Name and Description.
    2. Select an SLA service from the Service Name drop-down list box. If no service meets the requirements, create a service on the SLA Service page.
    3. Set Source Device to the source device IP address and Destination IP to the IP address and port number of the destination device.
    NOTE:

    To use the function of changing the link color after the SLA generates an alarm, you can select only services containing a single test case when creating the SLA task and need to ensure that the source device, source port, and destination IP address of the task are consistent with those in the link management.

  4. Set the task execution policy.

    1. Set the task execution start date and end date.
    2. Set Execution period and Execution days.
    NOTE:
    • Task execution will start at a time point that is a multiple of the period. For example, if the current time is 9:28 and the period is 5 minutes, the task will be executed every 5 minutes from 9:30.
    • If the source device is a Huawei device, the Enable create periodic task on device option appears on the page. Determine whether to select it based on the site requirements.
    • If the periodic task is enabled for a device, a periodic test case is created on the device to collect data periodically. This avoids frequent creation and deletion of test cases on the device, greatly reducing the impact on device performance. After the periodic task is enabled on the device, the smart policy function is unavailable.
    • If the periodic task is disabled, the task period can be adjusted based on the smart policy. However, you need to frequently create and delete a test case on the device, affecting the device performance.

  5. Set the alarm policy.

    1. Set Trigger compliance alarms. If the Trigger compliance alarms value is Yes, an alarm will be triggered when the compliance value is lower than the threshold.
    2. Set Trigger counter alarms. If the Trigger counter alarms value is Yes, an alarm will be triggered when the counter value is higher than the threshold.
      NOTE:
      • Set the Trigger compliance alarms and Trigger counter alarms parameters with caution. If the network quality is poor, a large number of alarms will be triggered.
      • After the SLA triggers a compliance degree alarm or an indicator alarm, the related link in the network topology is marked in the color corresponding to the Major state. You can choose System > System Settings > Color Settings > Link Status Color and set the color.
    3. Set Alarm generation count.
      NOTE:

      When the number of times that an alarm is triggered consecutively reaches the threshold, eSight reports an alarm.

      • If the alarm is not cleared and is triggered continuously, eSight does not report it again.
      • If the alarm is not triggered again in the next execution period, eSight automatically clears the alarm.

  6. (Optional) Set the smart policy.

    1. Select Adjust execution periods based on specified triggering conditions.
    2. Select Execution period and Trigger condition.
      NOTE:

      The system automatically adjusts the execution period based on the specified trigger condition. For example, if you have selected the following trigger conditions: The packet loss rate threshold is exceeded three consecutive times and The average jitter threshold is exceeded three consecutive times:

      • When detecting that the packet loss rate or average jitter exceeds the threshold for three consecutive times, eSight automatically adjusts to the execution period specified in Smart Policy.
      • When detecting that the packet loss rate and average jitter do not exceed the threshold, eSight automatically restores to the execution period specified in Execution Policy.

      NOTE:

      After setting parameters for Execution Policy, Alarm Policy, and Smart Policy, click Save as Template to generate a policy template. You can use these policies in the policy template when creating other SLA tasks.

      Click next to Task Template in the Task Basic Settings area to select the generated policy template.

  7. Set test instance parameters.

    The number of test instances to be configured depends on the service selected in Task Basic Settings and the test instances that are supported by the source device.

    NOTE:

    For details about the device configuration requirement of each test case, see SLA Default Settings and Device Configurations.

  8. (Optional) Click Test and verify that the new SLA task can be executed properly.
  9. Click OK.

Creating an SLA View

  1. Choose Resource > Network > Business > SLA Management from the main menu.

  2. In the navigation tree, choose SLA Management > SLA View and click Create.
  3. Set View Name and View Description.

  4. Add a task.

    1. Click Add.
    2. In the Select Task dialog box, select a task to be added and click OK.

  5. Click OK.
  6. Click the view name on the SLA View page to view the historical data comparison result.
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Updated: 2019-09-12

Document ID: EDOC1100044378

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