Zabbix 4 Network Monitoring - Third Edition

Automatically creating calculated items

For our manually created network traffic items, we created calculated items to collect the total incoming and outgoing traffic. We did this in Chapter 10, Advanced Item Monitoring. While we could go ahead and create such calculated items manually for all LLD-created items, too, that would necessitate a huge amount of manual work.

Let's try to create a calculated item per interface according to the LLD rule instead. Go to Configuration | Templates, click on Discovery next to C_Template_Linux, and then click on Item prototype next to Interface discovery. Then, click on Create item prototype. Fill in the following values:

• Name: Total traffic on $1
• Type: Calculated
• Key: calc.net.if.total[{#IFNAME}]
• Formula ...