How to calculate the amount of network traffic on interface

Hello, I need help solving a problem.
How to calculate the amount of network traffic on an interface.

Input data:
Data source - elastic search
OID - ifHCOutOctets 1.3.6.1.2.1.31.1.1.1.10
request
image

The task is to take the current value and subtract the previous one.Should get the average amount of traffic for minute

Try this:

irate(ifHCOutOctets{ifName=~'$Interface',instance='$instance'}[$__rate_interval])*8

Regards,
Fadjar

Hello.
Hello.
I not undestend how to configure it correctly.
I’m new to the product =)

I’m sorry, I think you were use Prometheus.
If you use Elasticsearch or Opensearch, you should add Derivative to calculate the real usage.

Try This:

Regards,
Fadjar

Thank you , probably helped.
Maybe you know how to set up alert.

Topic

so in the case of the image you posted what would the final values look like?


how can measure traffic?