Min percent utilization that'll cause a connector to go Yellow [currently applied to ethernets only]:

Min number of errors per second that'll cause a connector to go Red:



Snap object centers to a grid this many pixels square:
(to stop snapping, set the grid size to 1)

The pixel thickness of the lines bordering and connecting our map objects:



















How much to divide an interface's percent or log utilization by to get the pixel thickness of its connector halos: