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 Telegraf Agent |
| Protocol |
Prometheus Remote Write over TLS |
| Ingestion Endpoint |
vminsert (port 8480) |
| Storage |
VictoriaMetrics time-series database |
| Scrape Job |
telegraf_feed |
| SFM Instance |
sfm-telegraf-svc.sfm-1.svc.cluster.local:9191 |
| Format |
Prometheus text exposition format |
Transceiver DOM Metrics
Category: Optical transceiver diagnostics
Purpose: Monitor optical power levels, temperature, voltage, and laser bias current
Receive Power Metrics (Per-Lane)
| Metric |
Unit |
Description |
transceiver_dom_rx1_power_value |
dBm |
Lane 1 receive optical power |
transceiver_dom_rx2_power_value |
dBm |
Lane 2 receive optical power |
transceiver_dom_rx3_power_value |
dBm |
Lane 3 receive optical power |
transceiver_dom_rx4_power_value |
dBm |
Lane 4 receive optical power |
Transmit Power Metrics (Per-Lane)
| Metric |
Unit |
Description |
transceiver_dom_tx1_power_value |
dBm |
Lane 1 transmit optical power |
transceiver_dom_tx2_power_value |
dBm |
Lane 2 transmit optical power |
transceiver_dom_tx3_power_value |
dBm |
Lane 3 transmit optical power |
transceiver_dom_tx4_power_value |
dBm |
Lane 4 transmit optical power |
Laser Bias Current Metrics (Per-Lane)
| Metric |
Unit |
Description |
transceiver_dom_tx1_bias_value |
mA |
Lane 1 laser bias current |
transceiver_dom_tx2_bias_value |
mA |
Lane 2 laser bias current |
transceiver_dom_tx3_bias_value |
mA |
Lane 3 laser bias current |
transceiver_dom_tx4_bias_value |
mA |
Lane 4 laser bias current |
Temperature Metrics
| Metric |
Unit |
Description |
transceiver_dom_temperature_value |
Celsius |
Module temperature |
transceiver_dom_temperature_alarm_hi_value |
Flag |
High temperature alarm (1=active, 0=normal) |
transceiver_dom_temperature_alarm_lo_value |
Flag |
Low temperature alarm (1=active, 0=normal) |
transceiver_dom_temperature_warning_hi_value |
Flag |
High temperature warning (1=active, 0=normal) |
transceiver_dom_temperature_warning_lo_value |
Flag |
Low temperature warning (1=active, 0=normal) |
Voltage Metrics
| Metric |
Unit |
Description |
transceiver_dom_voltage_value |
Volts |
Supply voltage |
transceiver_dom_voltage_alarm_hi_value |
Flag |
High voltage alarm (1=active, 0=normal) |
transceiver_dom_voltage_alarm_lo_value |
Flag |
Low voltage alarm (1=active, 0=normal) |
transceiver_dom_voltage_warning_hi_value |
Flag |
High voltage warning (1=active, 0=normal) |
transceiver_dom_voltage_warning_lo_value |
Flag |
Low voltage warning (1=active, 0=normal) |
Additional Transceiver Metrics
| Metric |
Unit |
Description |
transceiver_dom_wavelength_value |
nm |
Optical wavelength |
Interface Counter Metrics
Category: Interface traffic statistics
Purpose: Monitor interface throughput, packet counts, and utilization
Receive Metrics
| Metric |
Unit |
Description |
ifcounters_in_octets |
Bytes |
Total bytes received (cumulative) |
ifcounters_in_octets_per_second |
Bytes/sec |
Receive rate |
ifcounters_in_pkts |
Count |
Total packets received (cumulative) |
ifcounters_in_pkts_per_second |
Packets/sec |
Receive packet rate |
ifcounters_in_bits_per_second |
Bits/sec |
Receive bit rate |
ifcounters_in_unicast_pkts |
Count |
Unicast packets received |
ifcounters_in_multicast_pkts |
Count |
Multicast packets received |
ifcounters_in_broadcast_pkts |
Count |
Broadcast packets received |
ifcounters_in_utilization |
Percent |
Receive link utilization (0-100%) |
ifcounters_in_errors |
Count |
Receive errors (cumulative) |
ifcounters_in_discards |
Count |
Receive discards (cumulative) |
Transmit Metrics
| Metric |
Unit |
Description |
ifcounters_out_octets |
Bytes |
Total bytes transmitted (cumulative) |
ifcounters_out_octets_per_second |
Bytes/sec |
Transmit rate |
ifcounters_out_pkts |
Count |
Total packets transmitted (cumulative) |
ifcounters_out_pkts_per_second |
Packets/sec |
Transmit packet rate |
ifcounters_out_bits_per_second |
Bits/sec |
Transmit bit rate |
ifcounters_out_unicast_pkts |
Count |
Unicast packets transmitted |
ifcounters_out_multicast_pkts |
Count |
Multicast packets transmitted |
ifcounters_out_broadcast_pkts |
Count |
Broadcast packets transmitted |
ifcounters_out_utilization |
Percent |
Transmit link utilization (0-100%) |
ifcounters_out_errors |
Count |
Transmit errors (cumulative) |
ifcounters_out_discards |
Count |
Transmit discards (cumulative) |
Management Metrics
| Metric |
Unit |
Description |
ifcounters_last_clear |
Timestamp |
Timestamp of last counter clear |
Ethernet Error Counter Metrics
Category: Ethernet frame errors and distribution
Purpose: Monitor frame errors and size distribution
Receive Error Counters
| Metric |
Unit |
Description |
ifethcounters_in_crc_errors |
Count |
CRC errors received (cumulative) |
ifethcounters_in_fragment_frames |
Count |
Fragmented frames received |
ifethcounters_in_jabber_frames |
Count |
Jabber frames received |
ifethcounters_in_oversize_frames |
Count |
Oversize frames received |
ifethcounters_in_undersize_frames |
Count |
Undersize frames received |
Receive Frame Size Distribution
| Metric |
Unit |
Description |
ifethcounters_in_distribution_in_frames_64_octets |
Count |
Frames of exactly 64 bytes received |
ifethcounters_in_distribution_in_frames_65_127_octets |
Count |
Frames of 65-127 bytes received |
ifethcounters_in_distribution_in_frames_128_255_octets |
Count |
Frames of 128-255 bytes received |
ifethcounters_in_distribution_in_frames_256_511_octets |
Count |
Frames of 256-511 bytes received |
ifethcounters_in_distribution_in_frames_512_1023_octets |
Count |
Frames of 512-1023 bytes received |
ifethcounters_in_distribution_in_frames_1024_1518_octets |
Count |
Frames of 1024-1518 bytes received |
ifethcounters_in_distribution_in_frames_1519_2047_octets |
Count |
Frames of 1519-2047 bytes received |
ifethcounters_in_distribution_in_frames_2048_4095_octets |
Count |
Frames of 2048-4095 bytes received |
ifethcounters_in_distribution_in_frames_4096_9216_octets |
Count |
Frames of 4096-9216 bytes received |
ifethcounters_in_distribution_in_frames_9217_16383_octets |
Count |
Frames of 9217-16383 bytes received |
Transmit Frame Size Distribution
| Metric |
Unit |
Description |
ifethcounters_out_distribution_out_frames_64_octets |
Count |
Frames of exactly 64 bytes transmitted |
ifethcounters_out_distribution_out_frames_65_127_octets |
Count |
Frames of 65-127 bytes transmitted |
ifethcounters_out_distribution_out_frames_128_255_octets |
Count |
Frames of 128-255 bytes transmitted |
ifethcounters_out_distribution_out_frames_256_511_octets |
Count |
Frames of 256-511 bytes transmitted |
ifethcounters_out_distribution_out_frames_512_1023_octets |
Count |
Frames of 512-1023 bytes transmitted |
ifethcounters_out_distribution_out_frames_1024_1518_octets |
Count |
Frames of 1024-1518 bytes transmitted |
ifethcounters_out_distribution_out_frames_1519_2047_octets |
Count |
Frames of 2047-2047 bytes transmitted |
ifethcounters_out_distribution_out_frames_2048_4095_octets |
Count |
Frames of 2048-4095 bytes transmitted |
ifethcounters_out_distribution_out_frames_4096_9216_octets |
Count |
Frames of 4096-9216 bytes transmitted |
ifethcounters_out_distribution_out_frames_9217_16383_octets |
Count |
Frames of 9217-16383 bytes transmitted |
ifethcounters_out_oversize_frames |
Count |
Oversize frames transmitted |
Queue Statistics Metrics
Category: Queue depth and congestion
Purpose: Monitor queue performance and buffer utilization
| Metric |
Unit |
Description |
queue_tx_pkts |
Count |
Queue transmit packets (cumulative) |
queue_tx_bits_per_second |
Bits/sec |
Queue transmit rate |
queue_drop_pkts |
Count |
Queue dropped packets (cumulative) |
queue_watermark_value |
Bytes |
Queue watermark value (peak buffer usage) |
queue_watermark_percent_value |
Percent |
Queue watermark percentage (0-100%) |
Label: QueueName - Identifies the specific queue (e.g., MC11, UC0, UC1)
Priority Group (PG) Watermark Metrics
Category: Priority group buffer management
Purpose: Monitor priority group buffer usage and headroom
| Metric |
Unit |
Description |
pg_watermark_value |
Bytes |
Priority group watermark value |
pg_shared_watermark_value |
Bytes |
Shared PG watermark value |
pg_headroom_watermark_value |
Bytes |
Headroom PG watermark value |
pg_shared_watermark_percent_value |
Percent |
Shared PG watermark percentage (0-100%) |
pg_headroom_watermark_percent_value |
Percent |
Headroom PG watermark percentage (0-100%) |
Label: PGName - Identifies the priority group (e.g., 0, 4, 7)
PFC (Priority Flow Control) Statistics
Category: Priority Flow Control monitoring
Purpose: Track PFC frame transmission and reception
| Metric |
Unit |
Description |
pfc_statistics_pfc_rx |
Count |
PFC frames received (cumulative) |
pfc_statistics_pfc_tx |
Count |
PFC frames transmitted (cumulative) |
Label: PfcName - Identifies the PFC priority (e.g., PFC0, PFC4, PFC7)
PFC Watchdog Statistics
Category: PFC storm detection and mitigation
Purpose: Monitor PFC storm events and watchdog actions
| Metric |
Unit |
Description |
pfc_wd_statistics_pfc_storm_detected |
Count |
PFC storm detected events (cumulative) |
pfc_wd_statistics_pfc_storm_restored |
Count |
PFC storm restored events (cumulative) |
pfc_wd_statistics_rx_drop |
Count |
PFC watchdog receive drops (cumulative) |
pfc_wd_statistics_tx_drop |
Count |
PFC watchdog transmit drops (cumulative) |
Label: PfcName - Identifies the PFC priority being monitored
WRED ECN Statistics
Category: Weighted Random Early Detection and ECN marking
Purpose: Monitor congestion notification and WRED drops
| Metric |
Unit |
Description |
wred_ecn_statistics_ecn_marked_pkts |
Count |
ECN marked packets (cumulative) |
wred_ecn_statistics_ecn_marked_octets |
Bytes |
ECN marked octets (cumulative) |
wred_ecn_statistics_wred_dropped_pkts |
Count |
WRED dropped packets (cumulative) |
Label: QueueName - Identifies the queue (e.g., 0, 3, 7)
PHY Counters
Category: Physical layer counters
Purpose: Monitor PHY-level errors and statistics
| Metric |
Unit |
Description |
phy_counters_value |
Count |
PHY counter value (type specified by counter_name label) |
Category: Switch platform health
Purpose: Monitor power, temperature, energy, and carbon emissions
| Metric |
Unit |
Description |
platform_power_metric |
Watts |
Power consumption (via category and sensor_name labels) |
platform_thermal_metric |
Celsius |
Thermal readings (via category and sensor_name labels) |
platform_energy_metric |
kWh |
Energy consumption (via category and sensor_name labels) |
platform_carbon_emission_metric |
kg CO₂ |
Carbon emissions (via category and sensor_name labels) |
Example: Platform power metrics visualization
Category: Switch configuration and status
Purpose: Expose switch metadata and configuration flags
| Metric |
Unit |
Description |
switch_metadata_value |
Flag |
Switch metadata and configuration flags |
Memory Metrics
Category: Switch memory usage
Purpose: Monitor switch memory utilization
| Metric |
Unit |
Description |
memory_state_physical |
Bytes |
Physical memory usage |
memory_state_buff_cache |
Bytes |
Buffer/cache memory usage |
memory_state_reserved |
Bytes |
Reserved memory |
memory_state_unused |
Bytes |
Unused/free memory |