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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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Licensing Requirements and Limitations for IOAM

Licensing Requirements and Limitations for IOAM

Involved Network Elements

The switch needs to work with an analyzer.

Licensing Requirements

The IOAM function is controlled by a license and is disabled on a new switch by default. To use the IOAM function, apply for and purchase the license from the equipment supplier.

Version Requirements

Table 16-3 Products and minimum version supporting IOAM

Product Model

Minimum Version Required

CE12800E (configured with FD-X series cards)

V200R005C00

Feature Limitations

  • Currently, IOAM can be used to collect and copy only UDP, TCP, and VXLAN packets. Packets can be forwarded to the analyzer through a maximum of eight hops (including the ingress node, transit nodes, and egress node). The IOAM function must be configured on all the nodes that packets pass through. Otherwise, Packets are discarded due to the check failure on the egress node.

  • The header ID of IOAM packets is a special value (0xaaaaaaaabbbbbbbb by default). If other types of packets use the same header ID as IOAM packets, they may be processed as IOAM packets due to a mismatch.

  • The CE12800E (configured with FD-X series cards) can function only as a transit node but not an ingress or egress node.
  • In stack or cross-chip scenarios, when non-known unicast packets are collected and copied, the port number and device ID carried in IOAM packets are incorrect.

  • When the switch collects and copies packets using the IOAM function, only the first 128 bytes of the payload in the original packet are captured.

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Updated: 2019-04-20

Document ID: EDOC1100075344

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