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Openai/693e4613-e640-8002-8c66-0055e99cb68d
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==== 1️⃣ تستهای پایه سختافزاری (تقریباً در همه Cisco IOS) ==== ===== 🔹 بررسی سلامت کلی سختافزار ===== <syntaxhighlight lang="bash">show version </syntaxhighlight> موارد مهم: * دلیل آخرین ریست (crash یا power) * مقدار RAM و Flash * Uptime ===== 🔹 بررسی وضعیت پاور و فن ===== <syntaxhighlight lang="bash">show environment </syntaxhighlight> یا در بعضی مدلها: <syntaxhighlight lang="bash">show environment all </syntaxhighlight> بررسی میکند: * پاور ساپلای (OK / Failed) * فنها * دما (Temperature) ===== 🔹 تست اینترفیسها (PHY / Port) ===== <syntaxhighlight lang="bash">show interfaces status show interfaces counters errors show controllers ethernet-controller </syntaxhighlight> علائم خرابی سختافزاری: * CRC Error زیاد * Input/Output Error غیرعادی * Interface flapping
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