The dialog to configure the CUPS server browsing connection is shown here. Browsing connection settings include:
After pressing the Add button, you will see the following dialog to enter a new value for outgoing broadcasting browse packets. It is the same kind of dialog as for adding other CUPS server addresses to be polled for printer information.
This option specifies a broadcast address to be used. By default, browsing information is broadcast to all active interfaces.
The port used for UDP broadcasts. By default this is the IPP port; if you change this, you need to do it on all servers. Only one BrowsePort is recognized.