Gateways and monitoring

The address you are trying to monitor should be reachable using the interface the gateway is attached to, either directly or using a static route (check System ‣ Routes ‣ Status).

dpinger:.. sendto error: XXX

Usually found in System ‣ Log Files ‣ General, every code has a meaning, usually explained in errno.h (man errno)

Some common ones are explained in the Common error codes section.

arpresolve: can’t allocate llinfo for..

This message usually means that the configured gateway lies outside the configured subnets for this firewall (for IPv4).


Double check the subnets of your interface and virtual IP’s, you can also use Interfaces ‣ Overview for a quick list of all configured addresses.