Different behavior between zabbix 4.2 and 5.2

[akbar415]

Since I update zabbix from 4.2 to 5.2 zabbix is triggering a lot more for some routers.


At first, I think that was just a coincidence but after running both zabbix versions at the same time - one running 4.2 and other 5.2 - I realize that zabbix 5.2 ping data is different from 4.2

There is no difference in the templates

As can be seen in the images.
Who can I fix this?

[cyber]

I see there are some differences in behaviour of fping, depending in version (3.x vs 4.x) Can this be your case?

https://www.zabbix.com/documentation/current/manual/config/items/itemtypes/simple_checks#icmp_pings

timeout

milliseconds

fping v3.x - timeout to wait after last packet sent (affected by “-C” flag) fping v4.x - individual timeout for each packet

-t

fping v3.x - 500 fping v4.x - inherited from -p flag, but not more than 2000