Tag :: History

EOS now exposes ASIC integrated-circuit memory health metrics via gNMI, under the vendor-augmented OpenConfig component tree. Two categories of memory are reported per chip instance: DRAM Bulk Data Block (BDB) free counts and SRAM buffer free counts. Each category provides three views: current value, minimum observed since last reset, and minimum observed in the latest polling interval.

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Priority-flow-control (PFC) buffer and history counters provide information on both present PFC pause conditions and past pause events. These buffer counters (since EOS-4.34.2F) and history counters (since EOS-4.35.0F) are available via OpenConfig in addition to the show commands that have existed in previous versions.

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This document describes the PFC (priority-based flow control) history counters that are available to debug network oversubscription issues. These counters track statistics on the switch that is sending network traffic at a rate that is more than what its peer can handle.

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