the Juniper Networks Ex4300 Line Of Ethernet Switches With Virtual Chassis Technology Combines The Carrier-class Reliability Of Modular Systems With The Economics And Flexibility Of Stackable Platforms, Delivering A High-performance, Scalable Solution For Data Center, Campus, And Branch Office Environments. Offering A Full Suite Of Layer 2 And Layer 3 Switching Capabilities, The Ex4300 Satisfies A Variety Of High-performance Applications, Including Branch, Campus, And Data Center Access Deployments As Well As Gigabit Ethernet (gbe) Access Deployments. A Single 24- Port Or 48-port Switch Can Be Deployed Initially. As Requirements Grow, Juniper Networks Virtual Chassis Technology Allows Up To 10 Ex4300 Switches To Be Interconnected And Managed As A Single Device, Delivering A Scalable, Pay-as-you-grow Solution For Expanding Network Environments. The Ex4300 Switches Can Be Interconnected Over Multiple 40gbe Quad Small Form-factor Pluggable Plus (qsfp ) Transceiver Ports To Form A 320 Gigabit Per Second (gbps) Backplane. Flexible 1gbe And 10gbe Uplink Options Are Also Available, Enabling High-speed Connectivity To Aggregation- Or Core-layer Switches Which Connect Multiple Floors Or Buildings.prove Productivity.