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eSight V300R009C00 Operation Guide 10

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This section describes precautions on using the WLAN management function so that eSight can be used properly.

License Support

The WLAN management function requires a license with WLAN Manager Function. The number of manageable APs (FitAPs, central APs, and plate APs) is controlled by the resource item Managed WLAN AP.

The WLAN wireless positioning function requires a license with WLAN Wireless Location Function. The number of APs that can enable the positioning function is controlled by the resource item Managed WLAN Wireless Location AP.

The WLAN wireless positioning northbound function requires a license with WLAN RTLS Data API.

Component Dependency

  • The WLAN management depends on the WLAN service component.
  • The wireless positioning depends on the WLAN service component and wireless positioning component.
  • In the distributed deployment scenario of the wireless positioning engine, the WLAN component and wireless positioning component need to be installed on the active eSight server. The wireless positioning component needs to be installed on the wireless positioning engine.
  • The Access Users Management in Resource Management depends on the Network Device Management Component.

Protocol Support

SNMP, SFTP, and STelnet/Telnet are required.

Device Support

For details, see the Specification List.

Application Scenario

ACs and a large number of APs are deployed on WLAN networks in a distributed manner. O&M is difficult and costs much. WLAN management provides a full-lifecycle wireless network management solution to help network administrators perform routine maintenance operations such as network planning, configuration deployment, area monitoring, and fault diagnosis. Centralized management of WLAN network devices and visualized monitoring of WLAN networks greatly improve the network management efficiency.

Feature Limitation and Dependency

  • On the active-standby network mode, ensure that the active and standby ACs are managed by eSight. Otherwise, the data may be incorrect.
  • Exercise cautions when performing operations that have impact on services, for example, deleting APs from ACs, restarting APs, and restoring factory settings.
  • Do not frequently perform batch planning operations such as importing the network planning project file and planning forms. Even if you have closed the page, the operation may still be processed in the background.
  • Network configuration adjustment may cause network interruption and must be performed during off-peak hours to avoid affecting network services.
  • VLANIF and address pool: The VLANIF interface information on the device may be different from that on eSight. You need to manually synchronize the information on the VLANIF interface of eSight. If a VLANIF interface is modified, the current configuration will be deleted and then delivered again. Therefore, confirm the operation accuracy to avoid service interruption.
  • Channel configuration: Channel synchronization is not supported. Only configurations on eSight can be delivered and deleted. If a VLANIF interface is modified, the current configuration will be deleted and then delivered again. Therefore, confirm the operation accuracy to avoid service interruption.
  • AP service configuration: If you modify device configurations through other methods after service configurations are planned on eSight and applied to multiple devices in batches, the configurations planned on eSight may be inconsistent with those on devices. As a result, configuration conflict may occur and configurations may not be deliverable.
  • AP customization: applicable to customized configuration for a small number of APs. For a large number of APs, configure them through AP groups.
  • Do not configure a single AC or a batch of ACs on the same device. Otherwise, a configuration conflict occurs.
  • When an AC is added for the first time and the number of APs connected to the AC exceeds 2000 or the number of online clients exceeds 10000, it is slow to query the AC or AP information or perform AP-related operations in the region monitoring area.
  • If the eSight IP address changes or the remote two-node cluster switchover occurs after wireless positioning is enabled, re-enable positioning on eSight or configure the new IP address in the device positioning template.
  • For the WLAN network positioning, if the AP is enabled to report packets, it is recommended that the AP uses a fixed IP address. If the IP address of the AP is changed, you need to enable the positioning function for the AP again on eSight.
  • To use the link function of WLAN resources, you must add PoE switches to eSight and import a level-1 node to generate complete link information.
  • The data polling periods of AP information, access user information, and WLAN inventory information must conform to Table 1 WLAN management efficiency specifications.
  • The performance data collection periods of APs, SSIDs, RFs, and AP interfaces must conform to Table 1 WLAN management efficiency specifications.
  • Area planning and wireless positioning must use proper network planning and conform to Table 1 WLAN management efficiency specifications.
  • Northbound interface access specifications must conform to Table 1 WLAN management efficiency specifications.
    Table 12-53 WLAN management efficiency specifications


    Specification Efficiency Restriction

    Viewing area monitoring signal coverage

    Signal coverage drawing is time-consuming. The time consumed depends on the background image size, number of APs, and number of equivalent obstacles (each line of a polygon is considered as one equivalent obstacle). For example, it takes about five minutes to draw the signal coverage if the background image resolution is 1024x768 and the area has 50 APs and 100 equivalent obstacles. Longer time is required if the area data is more complex.

    Area planning

    Deployment scenario restrictions:

    The positioning area is surrounded by the physical locations of APs. Any locations in the area can be detected by at least three nearby APs. The adjacent APs are located at a distance of 8-12 meters. The APs are deployed in W-shape with a maximum deployment height of 5 meters and little interference. If the preceding conditions are met, the positioning accuracy can reach 10 meters. Otherwise, the positioning accuracy will deteriorate.

    Invoking northbound interfaces

    1. For the subscription interface, the push period is longer than or equal to 15s.
    2. For the query interface, the access interval is longer than or equal to 10s.
    3. The number of concurrent processes is less than or equal to 20.
    1. The maximum number of queried service data records is 5 million.
    2. The maximum number of push and query results is 100.

    Data polling period

    • AP information polling period: 15 minutes
    • WLAN inventory information polling takes 30 minutes. If the live network is a mesh network with more than 500 mesh links, the WLAN inventory information polling period cannot be less than 60 minutes.
    • WLAN configuration polling period: 30 minutes
    • User information polling period: 15 minutes

    Performance collection period

    • AP collection task: 30 minutes
    • RF data collection task: 30 minutes
    • AP interface collection task: 30 minutes
Updated: 2019-09-07

Document ID: EDOC1100011877

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