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SFM Metrics

This page catalogs the network telemetry metrics collected by the Smart Fabric Manager (SFM) via Prometheus Remote Write. These metrics are ingested into VictoriaMetrics through the vminsert endpoint.

Collection method

Property Value
Collection tool SFM Prometheus Exporter
Protocol Prometheus Remote Write over TLS
Ingestion endpoint vminsert (port 8480)
Storage VictoriaMetrics time-series database

Transceiver DOM metrics

Metric Unit Description
sfm_transceiver_tx_power dBm Optical transmit power per transceiver lane.
sfm_transceiver_rx_power dBm Optical receive power per transceiver lane.
sfm_transceiver_temperature Celsius Transceiver module temperature.
sfm_transceiver_voltage Volts Transceiver supply voltage.
sfm_transceiver_bias_current mA Laser bias current per transceiver lane.

Queue statistics metrics

Metric Unit Description
sfm_queue_depth Count Current queue depth.
sfm_egress_queue_counters Count Egress queue packet counters.
sfm_multicast_queue_counters Count Multicast queue packet counters.

Interface counter metrics

Metric Unit Description
sfm_interface_tx_bytes Bytes Total bytes transmitted on the interface (cumulative).
sfm_interface_rx_bytes Bytes Total bytes received on the interface (cumulative).
sfm_interface_tx_packets Count Total packets transmitted (cumulative).
sfm_interface_rx_packets Count Total packets received (cumulative).
sfm_interface_tx_errors Count Total transmit errors (cumulative).
sfm_interface_rx_errors Count Total receive errors (cumulative).
sfm_interface_tx_drops Count Total transmit drops (cumulative).
sfm_interface_rx_drops Count Total receive drops (cumulative).

Error counter metrics

Metric Unit Description
sfm_crc_errors Count CRC errors per interface (cumulative).
sfm_alignment_errors Count Alignment errors per interface (cumulative).
sfm_symbol_errors Count Symbol errors per interface (cumulative).
sfm_fcs_errors Count Frame Check Sequence errors per interface (cumulative).

Metric labels

All SFM metrics include the following common labels:

Label Description
instance SFM appliance identifier.
interface Network interface name or port identifier.
switch Switch name or identifier.
lane Transceiver lane number (DOM metrics only).

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