The Virtual Chassis technology enables you to connect multiple individual switches together to form one logical unit and to manage the individual switches as a single unit. You can configure and manage a Virtual Chassis using the Juniper Mist™ portal. 212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U. com, we help. The Juniper Networks EX4200 line of Ethernet switches with Virtual Chassis technology combine the compact, pay-as-you-grow economics and low power and cooling requirements of stackable switches with the performance, availability, operational ease and port densities of chassis-based platforms to.