2- Switch Architectures and features


Virtual Chassis 2008          10x in a ring*  ( EX or QFX or mix*)

Virtual Chassis Fabric        20x with 4x Spine and 16x Leafs  ( Spine: QFX5100s,  Leafs: QFX3500s, QFX3600s, and EX4300s)

QFabric Node 2011            128x ( all port one hope away)

Juniper Fusion 2015          64x Satellites Device and 2x Aggregate Device , very flexible , per port join the Junos Fusion ( Agg Device and Satellites )

               


MC-LAG

Clos Architecture or IP Fabric        ( many switches to manage!!! )