15 Communication parameters
The fusionTrack device uses by default the 172.17.1.7 IPv4 address, and the local UDP port is automatically
chosen. These two parameters can be changed.
15.1 Changing the IP
The IPv4 address of the device can be changed to t the user’s desiderata. To change this address, the
atnet software must be used. In this section is is assumed the atnet was connected to the fusionTrack
device as explained in Section 10.1.
The fusionTrack device only supports private IPv4 addesses. The valid ranges are:
- 10.0.0.0 – 10.255.255.255;
- 172.16.0.0 – 172.31.255.255;
- 192.168.0.0 – 192.168.255.255.
When changing the IP, the user must carefully note the new
IP, otherwise it may be difcult to connect to the device
again.
1. Use the ‘set_ip’ to set the new IP, for instance
1 set_ip * "172.16.2.4"
2. Wait for ‘--> New IPv4 address set. Please reset device‘ to be printed;
3. Either reboot manually the device or use the ‘reset * 0‘ command.
4. Quit atnet with the exit command.
Once a new IP has been set, all the programs connecting to the device should be modied, so that
they are aware of the new IP. This is done by using the ftkInitExt function to initialise the library. Its rst
argument is the path to a JSON le, which describes the interface that must be used (see Listing 15.1).
1 {
2 "network ":
3 {
4 "version ": 1,
5 "interfaces ": [
6 {
7 "address ": "172.16.2.4" ,
8 "port": 3509
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