Checkmate
Infrastructure monitoring

Network monitoring

Bandwidth and packet statistics.

Overview

Capture reports one entry per network interface on each check. The infrastructure monitor's detail view renders byte and packet rates per interface.

Fields reported

Per interface (name identifies it):

  • bytes_sent, bytes_recv — cumulative byte counters
  • packets_sent, packets_recv — cumulative packet counters
  • err_in, err_out — receive and transmit error counts
  • drop_in, drop_out — dropped packets
  • fifo_in, fifo_out — FIFO buffer overruns

The agent reports raw counters; Checkmate stores deltas between checks so charts show per-interval throughput rather than monotonically increasing totals.

Rising err_in/err_out or drop_* counters point at a hardware, cable, or driver problem — not throughput alone.

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