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Configuration Guide - Network Management and Monitoring

S2720, S5700, and S6720 V200R013C00

This document describes the configurations of Network Management and Monitoring, including SNMP, RMON, RMON2, LLDP, Performance Management, iPCA, NQA, Service Diagnosis, Mirroring, Packet Capture, NetStream, sFlow, TWAMP Light, NETCONF, ECA, Intelligent Video O&M, eMDI, and Network Deception.
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Overview of sFlow

Overview of sFlow

Definition

Sampled Flow (sFlow) is a traffic monitoring technology that collects and analyzes traffic statistics.

Purpose

Enterprise networks differ from carrier networks in that they are smaller, more flexible, and more likely to be attacked. To prevent and limit service interruptions, enterprises require a traffic monitoring technique to locate unexpected traffic as well as the source of an attack in a timely manner.

sFlow provides interface-based traffic analysis, facilitating preventive maintenance on enterprise networks.

Huawei NetStream is also a technology that collects and analyzes traffic statistics. In NetStream, network devices collect and analyze traffic statistics and save statistics to a cache. The statistics are exported when they expire or when the cache overflows. Compared with NetStream, sFlow does not require a cache, network devices only sample packets, and a remote collector collects and analyzes traffic statistics.

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Updated: 2019-04-20

Document ID: EDOC1100065680

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