A4400-CPU-MIB

Description: Monitors CPU utilization on 3Com/USR NetServer 4400 remote access platforms, providing processor load statistics and utilization thresholds.

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A4400-CPU-MIB is a narrowly scoped enterprise MIB for the 4400-series NetServer/PBX-style remote access platform, used to monitor processor-level health on that device (internally the module reuses PBX-style branch names such as pbxAgent and pbxState). It exposes CPU-oriented management objects including MIB version identification, agent/platform operational state, and CPU load statistics and thresholds under the a4400CPU branch. Its central purpose is monitoring hardware status of the device's processor: pbxState reflects the agent's operational condition while a4400CPU groups the actual utilization counters used to catch overload before it affects service. It has no notable dependency beyond standard SNMPv2 SMI conventions, being a self-contained, platform-specific module. It is deployed on 4400-series remote access platforms where operators need basic CPU load visibility to catch performance degradation before it affects session handling. Engineers can download the A4400-CPU-MIB file directly to load it into their MIB browser.

An administrator polls objects under the a4400CPU branch for real-time processor load figures, and checks pbxState/pbxAgent to confirm the management agent is reporting normally. If pbxMibVersion shows an older-than-expected value, the running agent implementation may support fewer counters than assumed. A sustained high reading under a4400CPU while pbxState still reports normal operation flags a CPU nearing capacity, useful for raising a capacity alert before processing latency increases.

Monitors CPU and PBX system state for Alcatel A4400 telephony switch including health status and operational conditions.