The HP 5500 HI Series of Gigabit Ethernet switch delivers outstanding resiliency,security,and multiservice support capabilities at the edge layer of data center,large campus,and metro Ethernet networks. The switch can also be used in the core layer of SMB networks. The HP 5500 HI Switch Series supports dual power supply and IRF virtual fabric to provide the highest levels of resiliency and manageability. With complete IPv4/IPv6 and MPLS/VPLS features,this series provides investment protection with an easy transition from IPv4 to IPv6 networks.