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HUAWEI NetEngine5000E Core Router
Configuration Guide - System Management
Applicable Environment
As shown in
application information. Such information can guide carriers in monitoring abnormal network
traffic, analyzing users' operation mode, and planning the network between ASs.
Statistics about original flows are collected based on the 7-tuple information of packets. The
NDE samples IPv4 flows passing through it, collects statistics about sampled flows, and
encapsulates the aged NetStream original flows into UDP packets and sends the packets to the
NSC for subsequent processing. Unlike collecting the statistics about aggregated flows,
collecting the statistics about original flows has less impact on the NDE performance. Original
flows consume more storage space and network bandwidth resources because the data volume
of original flows is far greater than that of aggregated flows.
Figure 6-2 Networking diagram of IPv4 flow statistics collection
Pre-configuration Tasks
Before collecting the statistics about IPv4 original flows, complete the following task:
l
Configuration Procedures
To collect the statistics about IPv4 original flows, perform the procedures as shown in the
following flowchart.
Issue 01 (2011-10-15)
Figure
6-2, carriers can enable NetStream on the router to obtain detailed network
NSC
Traffic
Configuring the static route or enabling an IGP to ensure that IP routes between nodes are
reachable
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NDA
NSC
NDE
NDE
6 NetStream Configuration
NDA
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