About Online Diagnostics - Cisco Nexus 9000 Series Configuration Manual

Configuring Online Diagnostics
This chapter describes how to configure the generic online diagnostics (GOLD) feature on Cisco NX-OS
devices.
This chapter contains the following sections:
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About Online Diagnostics

With online diagnostics, you can test and verify the hardware functionality of the device while the device is
connected to a live network.
The online diagnostics contain tests that check different hardware components and verify the data path and
control signals. Disruptive online diagnostic tests (such as the disruptive loopback test) and nondisruptive
online diagnostic tests (such as the ASIC register check) run during bootup, line module online insertion and
removal (OIR), and system reset. The nondisruptive online diagnostic tests run as part of the background
health monitoring, and you can run these tests on demand.
Online diagnostics are categorized as bootup, runtime or health-monitoring diagnostics, and on-demand
diagnostics. Bootup diagnostics run during bootup, health-monitoring tests run in the background, and
on-demand diagnostics run once or at user-designated intervals when the device is connected to a live network.
About Online Diagnostics, page 147
Licensing Requirements for Online Diagnostics, page 151
Guidelines and Limitations for Online Diagnostics, page 151
Default Settings for Online Diagnostics, page 151
Configuring Online Diagnostics, page 152
Verifying the Online Diagnostics Configuration, page 155
Configuration Examples for Online Diagnostics, page 156
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