how to monitor incoming and outgoing traffic on different vps

[islam]

Hello Guys,
I have 2 vps one for zabbix and other is my website which I did install agent in it. however, I am trying to monitor my other vps the one with agent only and I am targeting incoming and outgoing traffic which is important to me can any one tell me how to do that I am new and the installation is fresh installation.

Please your help I am new to this topics and I need to now what to install in my 2nd server to connected to my first server

[islam]

Hello I created an item for the outgoing traffic but it is showing not supported please have a look at the image and values entered please follow attachment
by the way I want it to calculate total outgoing traffic only IF exceed 1TB for example which is the most important

[islam]

any update guys it is important I am trying to do it and this is the and the main reason I installed zabbix

[cyber]

It is also very important to read documentation...

https://www.zabbix.com/documentation/6.0/en/manual/config/items/itemtypes/zabbix_agent#network-data

Please look up, how to enter parameters for this item... There are even examples...
net.if.out[eth0,bytes]