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Configuration Guide - Network Management and Monitoring

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of Network Management and Monitoring, including SNMP, RMON, LLDP, NQA, Service Diagnosis, Mirroring, Packet Capture, sFlow, and NETCONF.
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Overview of NETCONF

Overview of NETCONF

Definition

The Network Configuration Protocol (NETCONF) provides a mechanism to install, maintain, and delete configurations of network devices. You can use NETCONF to obtain configurations and status of the network devices. NETCONF enables a network device to provide standard application programming interfaces (APIs) through which applications can send configuration data to and obtain configuration data from the network device.

Purpose

As network scale and complexity increase, the traditional Simple Network Management Protocol (SNMP) has lagged behind demands for easy management (especially configuration management) of complex networks. The Extensible Markup Language (XML) based NETCONF has been introduced to provide the required configuration management.

NETCONF can be implemented by invoking the existing functions of a device. This reduces implementation costs and allows easy access to new features. NETCONF allows a client to discover extended functions supported by a server and to adjust its behavior to use the functions provided by the device.

Table 3-1 compares NETCONF and SNMP.

Table 3-1 Comparison between NETCONF and SNMP

Feature

SNMP

NETCONF

Configuration management

SNMP does not provide a protection lock mechanism to prevent multiple users from performing the same configuration.

NETCONF provides a protection lock mechanism to prevent configuration conflicts.

Query

Querying one or more records in a table requires multiple interaction processes.

NETCONF can directly query any configuration data on the system and filter the configuration data to query.

Extensibility

SNMP provides low scalability.

NETCONF offers good scalability.

  • NETCONF users a multi-layer model, in which each layer is independent of other layers. The extension of one layer has little effect on other layers.
  • NETCONF uses the XML encoding format to expand the protocol's management capability and system compatibility.

Security

The latest version SNMPv3 uses self-defined security parameters, which prevent future expansion.

NETCONF uses existing security protocols to guarantee security and is not bound to any specific security protocol. NETCONF is more flexible than SNMP in ensuring security.

NOTE:

NETCONF prefers the Secure Shell (SSH) as the transport layer protocol to transmit XML messages.

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Updated: 2019-04-20

Document ID: EDOC1100075344

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