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300-915 · Question #49

An IOx application is installed via Local Manager. Every time the application is started, it instantly stops. Which troubleshooting steps should be taken?

The correct answer is C. Give the IOx application more CPU units. Giving the IOx application more CPU units (C) resolves the instant-stop behavior because Cisco IOx enforces strict resource quotas at launch - if the allocated CPU units are insufficient for the application's minimum requirements, the runtime cannot initialize the process and…

Edge Compute and Network

Question

An IOx application is installed via Local Manager. Every time the application is started, it instantly stops. Which troubleshooting steps should be taken?

Options

  • AThere is something wrong with the application code itself.
  • BCheck the startup and entrypoint parameters.
  • CGive the IOx application more CPU units.
  • DCheck local IOx settings, especially the network settings.

How the community answered

(33 responses)
  • A
    3% (1)
  • B
    6% (2)
  • C
    82% (27)
  • D
    9% (3)

Explanation

Giving the IOx application more CPU units (C) resolves the instant-stop behavior because Cisco IOx enforces strict resource quotas at launch - if the allocated CPU units are insufficient for the application's minimum requirements, the runtime cannot initialize the process and terminates it immediately before any meaningful execution occurs.

Option A (code bugs) is incorrect because a coding error would typically produce error logs, a crash dump, or an exit code - not a clean, silent instant stop with no other symptoms. Option B (startup/entrypoint parameters) is a plausible troubleshoot for a failed launch, but misconfigured entrypoints usually generate an explicit error, not an instant graceful stop. Option D (network settings) affects connectivity after the app is running; network misconfiguration does not prevent the process from staying alive.

Memory tip: Think of CPU units in IOx as the "runway" - if the runway is too short, the plane (app) can't even get airborne and stops immediately. Insufficient runway = instant stop at takeoff.

Topics

#IOx application#CPU allocation#Application startup#Edge troubleshooting

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