Device not reporting statistics

[JAARS-RW]

We are slowly working on replacing our network gear with all Unifi equipment. Recently, as I've been installing more switches, I've seen quite a few of our devices stop reporting statistics with these templates. I tried increasing the StartPrepocessors value in the Zabbix config. That seemed to get a couple back, but only a handful so I don't think that's really the problem. Any idea why these would stop reporting?

[patricegautier]

2 things to look at:

• in the UI go to the device not reporting stats, look at its items and look for unsupported items, in particular mca-dump. the error message there if any should be a good clue
• also look in the zabbix server logs

[JAARS-RW]

I'll take a look at those, thank you!

[JAARS-RW]

These are the items that show as unsupported. All but one of the errors say "Timeout while executing a shell script." The one that's different reads "Cannot evaluate function: not enough data at "avg(//cpu,{$UNIFI_SMOOTHING_PERIOD})" on the cpu_smooth item. Haven't had a chance to check logs yet.

[JAARS-RW]

I think I found the issue. I was missing the {$UNIFI_CHECK_TIMEOUT} macro. I upped the timeout in the Zabbix server config and added that macro and I haven't seen any more "Device not reporting statistics" messages.

[patricegautier]

Thanks - I wish there was a way for Zabbix to explicitly flag those unset macros..

On Jun 24, 2022, at 1:14 PM, JAARS-RW @.***> wrote:

I think I found the issue. I was missing the {$UNIFI_CHECK_TIMEOUT} macro. I upped the timeout in the Zabbix server config and added that macro and I haven't seen any more "Device not reporting statistics" messages.

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[JAARS-RW]

Thank you for your help!