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eSight V300R009C00 Operation Guide 10

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Discovering Network Device Links

Discovering Network Device Links

eSight can automatically discover physical links of network devices through LLDP or CDP.

NOTE:

Links are created based on device service data analysis. No service data does not mean that physical links are deleted. After a device link is created, eSight does not automatically delete the link even if the link does not exist in subsequent data. You need to manually delete the link after confirmation.

Prerequisites

  • The Network Device Manager has been installed.
  • LLDP or CDP has been enabled on the device.

Context

Table 7-3 describes the network device links that can be discovered by eSight.

Table 7-3 Network device links that can be discovered by eSight

Link

Discovery Mode

Link between network devices

LLDP or CDP

Procedure

  • Link discovery based on LLDP

    After network devices are added to eSight, eSight automatically discovers links of the devices.

    For details about how to add network devices to eSight, see Adding Devices to eSight.

  • Link discovery based on CDP

    After Cisco network devices are added to eSight, eSight automatically discovers links of the devices.

    For details about how to add Cisco network devices to eSight, see Adding Devices to eSight.

Exception Handling

If network device links fail to be discovered, perform operations in How Do I Do If Links Between Network Devices Cannot Be Discovered.

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Updated: 2019-09-07

Document ID: EDOC1100011877

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