C9300L-STACK-KIT2 Switch stacking kit - StackWise-320 - Catalyst 9300L Series - stacking cables The C9300L-STACK-KIT2 is a stacking kit designed for compatible Catalyst 9300L Series switches. It enables multiple switches to operate as a single logical unit using StackWise-320 technology, providing simplified management, increased resiliency, and scalable network capacity. The kit provides the physical components required to interconnect compatible switches in a stack. Stacked switches share configuration and management, allowing the network to be managed as a unified system while providing redundancy between stack members.