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ME60 V800R010C10SPC500 Feature Description - System Management 01

This is ME60 V800R010C10SPC500 Feature Description - System Management
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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).
Overview of LLDP

Overview of LLDP

Definition

The Link Layer Discovery Protocol (LLDP), a Layer 2 discovery protocol defined in IEEE 802.1ab, provides a standard link-layer discovery method that encapsulates information about the capabilities, management address, device ID, and interface ID of a local device into LLDP packets and sends the packets to neighboring devices. These neighboring devices save the information received in a standard management information base (MIB) to help the network management system (NMS) query and determine the link communication status.

Purpose

Diversified network devices are deployed on a network, and configurations of these devices are complicated. Therefore, NMSs must be able to meet increasing requirements for network management capabilities, such as the capability to automatically obtain the topology status of connected devices and the capability to detect configuration conflicts between devices. A majority of NMSs use an automated discovery function to trace changes in the network topology, but most can only analyze the network layer topology. Network layer topology information notifies you of basic events, such as the addition or deletion of devices, but gives you no information about the interfaces to connect a device to other devices. The NMSs cannot identify neither the device location or the network operation mode.

LLDP is developed to resolve these problems. LLDP can identify interfaces on a network device and provide detailed information about connections between devices. LLDP can also display information about paths between clients, switches, routers, application servers, and network servers, which helps you efficiently locate network faults.

Benefits

Deploying LLDP improves NMS capabilities. LLDP supplies the NMS with detailed information about network topology and topology changes, and it detects inappropriate configurations existing on the network. The information provided by LLDP helps administrators monitor network status in real time to keep the network secure and stable.

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Updated: 2019-01-04

Document ID: EDOC1100059466

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