- Advanced classifier-based QoS
 - Layer 4 prioritization
 - Traffic prioritization
 - Class of Service (CoS)
 - IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
 - Uni-Directional Link Detection (UDLD)
 - High-speed/capacity architecture
 - Server-to-switch distributed trunking
 - Secure management access
 - Switch CPU protection
 
The HP 5400 zl Switch Series is a HP Networking ASIC based modular switch designed for enterprise-edge, SMB, and branch office core deployments. This Layer 3 switch has 760 Gbps backplane and license free software with an advanced Layer 2 and 3 feature set including IPv6, IPv4 BGP, policy based routing, OSPF and robust QoS. Virtualization with HP AllianceOne solutions and flexible connectivity including 1 and 10 Gigabit Ethernet and PoE+, the 5400 zl Switch Series is Software-defined Network (SDN) ready with support for OpenFlow.