The HP 5120 SI Switch Series are fully managed, basic Layer 3 switches that support stacking, static Layer 3 routing, Po E+, ACLs & IPv 6. HP Intelligent Resilient Framework (IRF) technology creates a virtual fabric by managing several switches as one logical device, which increases network resilience, performance, & availability while reducing operational complexity. The HP 5120 SI Switch Series can be managed with the optional HP Intelligent Management Center (IMC) Software for a single view of your entire network.