User manual

Configuration capabilities and interfaces
52
Advantages of the Digi Device Discovery utility are:
 It quickly locates Digi devices and basic device information, such as the
device’s address, firmware revision, and whether it has been configured.
 ADDP runs on any operating system capable of sending multicast IP packets to
a network. ADDP sends out a User Datagram Protocol (UDP) multicast packet
to all devices on the network. Devices that support ADDP reply to this UDP
multicast with their configuration information. This means that even devices
that do not yet have an IP address assigned, or that are misconfigured for the
subnet, can reply to the UDP multicast packet, and be displayed in the device
discovery results.
Disadvantages include:
 Device discovery responses can be blocked by personal firewalls, Virtual
Private Network (VPN) software, and certain network equipment in place.
Firewalls will block UDP ports 2362 and 2363 that ADDP uses to discover
devices.
 Not all Digi devices support ADDP.
The Digi Device Discovery utility is available on the Software and Documentation CD
that accompanies the Digi device. After installing the utility, it is available from the Start
menu.
Access to the ADDP service can be enabled or disabled, but the network port number for
ADDP cannot be changed from its default.
For more information on the Digi Device Discovery utility, see page 69.