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Juniper was the first North American IP routing vendor to achieve the prestigious TL 9000 certification by the Quality of Excellence for Suppliers of Telecommunications (QuEST) Forum in the router category, for design, development, provision and service and support.
What is J-Care?
It's the world-class service and support that you expect from a company that delivers the industry's best infrastructure and security products. With J-Care, you now have the confidence knowing that Juniper will do our part to keep you on top of the world!
Understanding Virtual Chassis EX 4200 Switch Version Compatibility
For EX 4200 switches to be interconnected as a virtual chassis, the switches must be running the same software versions. The master checks the hardware version, JUNOS software version, and other component versions running in a switch that is physically interconnected to its virtual chassis port (VCP). Different hardware models can be members of the same virtual chassis. However, the master will not assign a member ID to a switch that is running a different software version. A switch that is running a different version of software will not be allowed to join the virtual chassis.