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Configuration Guide - Network Management and Monitoring

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of Network Management and Monitoring, including SNMP, RMON, NETCONF, OpenFlow, LLDP, NQA, Mirroring, Packet Capture, Packet Trace, Path and Connectivity Detection Configuration, NetStream, sFlow, and iPCA.
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Licensing Requirements and Limitations for Intelligent Traffic Analysis

Licensing Requirements and Limitations for Intelligent Traffic Analysis

Involved Network Elements

FabricInsight is required.

License Requirements

Intelligent traffic analysis is a basic feature of CE8800 and CE6800 series switches and is not under license control.

Version Requirements

Table 19-3 Products and minimum version supporting intelligent traffic analysis

Product

Minimum Version Required

CE6865EI

V200R005C10

CE6875EI

V200R005C10

CE8850-64CQ-EI

V200R005C10

CE8861E1

V200R005C10

CE8868EI

V200R005C10

Feature Limitations

  • Currently, intelligent traffic analysis can be used to analyze only IPv4 TCP packets (including inner IPv4 TCP packets encapsulated in IPv4 VXLAN packets).
  • If intelligent traffic analysis and NetStream are enabled in the same view, NetStream takes effect preferentially.
  • If intelligent traffic analysis and sFLow are enabled in the same view on the CE6865EI, CE8850-64CQ-EI, CE8861EI, or CE8868EI, intelligent traffic analysis takes effect preferentially.
  • Intelligent traffic analysis cannot be enabled on a network where per-packet load balancing (for example, flowlet or DLB-based forwarding) is enabled.
  • When all the following features are configured simultaneously, ACL resources are allocated for the features in the following order:

    Traffic mirroring < intelligent traffic analysis < MQC (traffic policing, traffic statistics collection, and packet filtering) < intelligent operation, administration and maintenance (IOAM) < discarded packet capture

  • Intelligent traffic analysis may fail to be configured if mirroring or ACL resources are insufficient.
  • Currently, intelligent traffic analysis can be used to analyze packets of a TCP flow that pass through the same switch in both directions along the round-trip path. On a network with stack, M-LAG, or SVF deployed, this feature does not work if the TCP flow passes through different switches.
  • Intelligent traffic analysis cannot be used to analyze a specified flow (unidirectional or bidirectional) that passes through the same switch multiple times.
  • A management network interface cannot export flow analysis results.
  • The exported packets carrying flow analysis results can be forwarded only in common Layer 2 and Layer 3 modes. These packets cannot be forwarded through VXLAN or MPLS tunnels. Additionally, the destination address of the exported packets cannot be the IP address of a VBDIF interface.
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Updated: 2019-04-20

Document ID: EDOC1100075365

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