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 This model is useful in teaching basic switching for CCNA candidates. Note that this is for LAYER 2 with no considerations for higher layers. This is Ethernet Switching NOT ROUTING. Trying to figure out how to show that if a mac-address is not in the FIB that the switch will query all ports EXCEPT for the originating port for the mac-address in a visual format.