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Configuration Guide - Network Management and Monitoring

S1720, S2700, S5700, and S6720 V200R011C10

This document provides the configurations of network management and monitoring features supported by the product, including SNMP, RMON and RMON2, LLDP, Performance Management, iPCA, NQA, Service Diagnosis, Mirroring, Packet Capture, NetStream, sFlow, TWAMP Light, and NETCONF.

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Overview of NETCONF

Overview of NETCONF


NETCONF is a communication mechanism used between the NMS and network devices. The network administrator can use NETCONF to add, modify, and delete configurations of network devices, and obtain configurations and status of network devices. All network devices provide standard Application Programming Interface (API), through which the NMS manages these devices using NETCONF. For details about API, see S5720 and S6720 V200R011C10 NETCONF YANG API Reference.


Traditional network management protocol SNMP is not a configuration-oriented protocol. On a large-sized network with a complex topology, SNMP cannot meet the network management requirement, especially the configuration management requirement. To meet such requirements, Extensible Markup Language (XML)-based NETCONF has been introduced.

NETCONF can be implemented by using the existing functional modules of a device. This reduces NETCONF development costs and allows easy access to new features. Compared with SNMP, NETCONF has the advantages as listed in Table 14-1.

Table 14-1  Comparison between SNMP and NETCONF




Configuration protection

Not supported.

Supported. NETCONF provides a lock mechanism to prevent multi-user configuration conflicts.

Configuration backup

Not supported.

Supported. NETCONF provides multiple configuration databases (databases for short), which are backups of each other.

Configuration query

Supported. Querying one or more records in a table requires multiple times of interaction.

Supported. NETCONF can query all configuration data of one object based on filtering conditions. The batch data collection speed of NETCONF is 10 times faster than that of SNMP.



  • NETCONF uses a multi-layer model. Each layer is independent of other layers. The extension of one layer has no impact on other layers.
  • NETCONF is in the XML encoding format. This format expands the management capability and system compatibility of NETCONF.


Among the versions of SNMP, only SNMPv3 provides authentication and encryption. However, the authentication and encryption functions of SNMPv3 cannot be expanded.

NETCONF uses existing security protocols, such as SSH and SOAP, to ensure network security, and is not specific to any security protocols. NETCONF is more flexible than SNMP in security protection.

Updated: 2020-02-06

Document ID: EDOC1000178174

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