The destination IP address the UDP message will be forward. 0.0.0.0 does not forward, 255.255.255.255 broadcasts to all addresses.
Sources for this description
Multiple manufacturers; see the original MIB MIB copies (LibreNMS/Observium Community)Dell MIB copies (LibreNMS/Observium Community)D-Link official switch MIBsNetdisco MIB archive copiesNETGEAR official product and EOL MIB downloads