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 sd