# Counters and Categories for Network Performance

This table contains the values for each category of the counters that measure Network performance.

### GROUP NAME: net

Counter Name | Category | Value
--- | --- | ---
usage
unit | KBps
description | Collected network performance statistics for the managed entity.
statistic type | rate
rollup type | minimum, maximum, average
entity | host, virtual machine (aggregate level only), ResGroup
packetRx
unit | number
description | Number of packets received in the defined interval.
statistic type | delta
rollup type | summation
entity | host, virtual machine (device instance only)
packetTx
unit | number
description | Number of packets transmitted in the defined interval.
statistic type | delta
rollup type | summation
entity | host, virtual machine (device instance only)
received
unit | KBps
description | Amount of data received in the defined interval.
statistic type | rate
rollup type | all
entity | host, virtual machine (device instance only)
transmitted
unit | KBps
description | Amount of data transmitted in the defined interval.
statistic type | rate
rollup type | all
entity | host, virtual machine (device instance only)