The text of the the document above has been updated to change the wording from 'Define an internal virtual server' to 'Define a second standard virtual server on an internal address' to avoid confusing where people were trying to create a virtual server of type 'internal' (which is for ICAP, and can't be used in this manner). In fact, the second server could be listening on 0.0.0.0/0, and not listening on any vlan, as long as it is a standard virtual, not an internal virtual (IVS)