Reinstall the operating system for routine configuration drift. This leaves avoidable risk for the scenario.

Use standard Linux tools to configure, validate, troubleshoot, and persist the requested system behavior with minimal disruption. Apply it to the network modernization with documented validation.

Ignore logs and service status while troubleshooting. This ignores a core requirement of the objective.

Make temporary shell changes without documenting or persisting the fix. This weakens safe rollout and creates operational fragility.