Virtual Chassis Technology

Juniper Networks Virtual Chassis technology is a feature of select Juniper Networks® EX Series and QFX Series Ethernet Switches, allowing the interconnection and operation of multiple switches as a unified, single, high-bandwidth device. Depending on the model, up to 10 switches may be interconnected through ports that are configured as Virtual Chassis ports.
Juniper EX2300 Switch

AARP entries: 1,500 Packet-Switching Capacities 128 Gbps
Virtual Chassis interconnect capacity: 80 Gbps
Layer 2/Layer 3 Throughput 95 Mpps CPU 1.25GHz ARM CPU

Juniper EX3300 Switch

ARP entries: 4,000 Packet Switching Capacities 128 Gbps
Virtual Chassis interconnect capacity: 80 Gbps
Layer 2/Layer 3 Throughput 95 Mbps CPU: 1 GHz

Juniper EX4300 Switch

ARP entries: 64,000 Packet-Switching Capacities 448 Gbps
Virtual Chassis interconnect capacity: 320 Gbps
Layer 2/Layer 3 Throughput 333 Mbps 1.5 GHz Dual-Core PowerPC CPU

Juniper QFX5100 Switch

Switching Capacity 2.56 Tbps 40GbE and 10GbE as
Virtual Chassis port Use Spine/ Core switches
Firewall filters: 4000 FCoE, VXLAN , MPLS