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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NetStream Flows
NetStream Flows
NetStream provides packet statistics based on flows and supports statistics about IP packets (including UDP, TCP, and ICMP packets).
For IPv4 packets, IPv4 NetStream defines a flow based on the:
Destination IP address
Source IP address
Destination port number
Source port number
Protocol number
ToS
Inbound or outbound interface
Packets with the same information for all seven parameters (known as 7–tuple information) are marked as one flow.
For IPv6 packets, IPv6 NetStream defines a flow based on the:
Destination IP address
Source IP address
Destination port number
Source port number
Protocol number
Traffic class
Flow label
Inbound or outbound interface
Packets with the same information for all eight parameters (known as 8–tuple information) are marked as one flow.