Zabbix Calculate Item

[average_joe]

Hello. I'm trying to calculate the sum of interface usage values from a Juniper router. Each of these interfaces has their own items monitoring `ifInOctets` and `ifOutOctets` values. However, when creating a calculated item, the result is a value of zero.

Here's my calculated items configuration:
Type: Calculated
Key: traffic_sum
Formula: last("ifInOctets[st0.1]")+last("ifInOctets[st0.2]")+last("ifInOctets[st0.3]")+last("ifInOctets[st0.4]")
Type of Information: Numeric
Data Type: Decimal
Units: bps
Use Custom Multiple: 8
Store Value: Delta (speed per second)
Show Value: As Is

I'm running Zabbix 3.2.6. Can anyone identify what's the cause?

~average_joe

[allexpetrov]

Hello,

You don't need to set Change per second because Zabbix already operates with the per-second values. I believe you also don't need to use multiplier because you've already multiplied in ifInOctets item.

Change those and recheck.

Will wait for a response from you.

Regards,
Alex!

[average_joe]

Alex,
Thank you...that resolved the problem. The primary issue was the per-second value being set. Hadn't considered that.