Link sets do not have a graphic representation in the network and equipment components. Instead, they are used to group together multiple links that may exist between two nodes, so that the graph layout cannot insert a link that is not in the link set or have the links follow different paths.

You can customize a link set through the following CSS property:

How to Set the Link Distance in a Link Set

object."ilog.tgo.model.IltLinkSet" {
  linkDistance: 4;
}