# `NervesHubLink.Extensions.Health.MetricSet.NetworkTraffic`
[🔗](https://github.com/nerves-hub/nerves_hub_link/blob/v2.12.0/lib/nerves_hub_link/extensions/health/metric_set/network_traffic.ex#L5)

Health report metrics for bytes sent and received (total) per interface.

The keys used in the report are:
  - [interface]_bytes_received_total: Total bytes received by the interface
  - [interface]_bytes_sent_total: Total bytes sent by the interface

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*Consult [api-reference.md](api-reference.md) for complete listing*