This 3D model was originally created with Sketchup 8 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 Cisco 7200 series G1 VXR Network Engine Card G-1. These are software based routers. Currently Cisco is shipping the G-2 version but neither seem to make use of the second cpu cores.. go figure..