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eSight V300R009C00 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).
Why Does It Take 2 to 3 Minutes for the Device Color in the eSight Topology to Refresh After the Network Device Powers Off

Why Does It Take 2 to 3 Minutes for the Device Color in the eSight Topology to Refresh After the Network Device Powers Off

Question

Why does it take 2 to 3 minutes for the device color in the eSight topology to refresh after the network device powers off?

Answer

The device status refresh in the topology is determined by the eSight polling mechanism. The default value for the device status polling interval is 1 minute. Users can change the interval based on the site requirements, but a too short interval may deteriorate the eSight performance.

The device status polling principle is as follows: eSight queries the online and offline status of devices through ICMP Ping, perceives the device status change, generates alarms when devices go offline abnormally, and refreshes devices on the topology management and IP topology management pages.

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Updated: 2019-05-17

Document ID: EDOC1100011877

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