In my previous post on diagram drawing I shared my idea on how to draw VLANs on Visio network diagrams. Here I want to go level up with network virtualization entities and show how I draw VRF instances.

A VRF consist of Layer-3 interface members. So to me it sounds logical to bind VRF symbols to Layer-3 interface symbols. This is how I do it:

Different VRF instances can be depicted with diferent colors to make them easily distinguishable on a drawing.