I personally don't like routing in the Firewall, I always prefer to use an L3 switch for this and just create a link between the Core and the firewall.   Of course, this depends a lot on the project or client's needs, and also on the size of the site. On small sites, often only the firewall already meets the client's needs. ... View more

As @PhilipDAth said, those will not work.  The switch needs to have four virtual interfaces for the port and in the case of Meraki switches, they do not.   @Ryan_Miles it would be a useful feature, would you be able to find out if it is a hardware or firmware restriction? ... View more

Nope, I don't think disabling unused ports would do anything. It's just the way the topology feature works when there's an MX involved.    Would you really add a new device and change your network around just so some silly diagramming feature works? You clearly know what your network looks like so is this really that important? Is the rest of the topology correct? ... View more