ARP Discovery Unifi Devices

Help
1

Hi Team,

I have a few Unifi firewalls and would like to enable arp discovery in order to monitor devices behind the firewall (Access Point, Switches etc.).

I have done so and got ARP discovery working on a pfsense box and can monitor a server behind it so the auto discovery is working however for the unifi network i am getting a ARP discovery of 192.168.X.X (192.168.X.X) failed - Could not ping 192.168.X.X (192.168.X.X) however when i am sshed into the USG i am able to ping the device so unsure whats causing this issue here?

2

Have you tried pinging the IPs from the LibreNMS server?

3

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