Editorial Review The HP 5400R zl2 Switch Series is the next-generation modular switch designed for enterprise edge and SMB and branch office core deployments. With enterprise-class resiliency and unprecedented flexibility, scalability and ease of use, the 5400R supports demanding network features such as hitless failover, power supply redundancy, QoS and security with full L3 features. Robust virtualization with HP AllianceOne solutions and flexible connectivity including 10 Gigabit Ethernet and full PoE+, the 5