Remote monitoring using Zabbix proxy

[Fuzail]

Hello everyone!

This is me posting for the first time in the forum!

I was working on monitoring the devices behind the opnsense firewall. I have a layer 2 switch connected to the LAN port. And then there is another layer 2 switch connected to the first switch. I have a Zabbix server on the cloud and it is configured with the zabbix proxy setings and also both switches added in the hosts section monitored using SNMP. The firewall is also configured with the respective settings as per the documentation provided.

On the zabbix server I am able to pull in graphs of the switch directly connected to the opnsense firewall, but unable to get the graphs of the second switch. Any help on this would be really appreciated.

Thanks!!!