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Juniper Networks Certified Associate, Junos (JNCIA-Junos) JN0-106 · Domain 5: Operational monitoring and maintenance

Monitoring the platform: `show chassis hardware`, `show chassis alarms`, `show system alarms`, `show chassis routing-engine`, `show system storage`

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Last reviewed September 25, 2026 · Leer en español

Before you troubleshoot routing or interfaces, you need to know the device itself is healthy. Junos provides a small set of operational-mode commands that tell you what hardware is installed, whether anything is alarming, how busy the control plane is and whether storage is filling up. These are the first commands many engineers type after logging in.

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