The S5700-28C-SI-AC is gigabit Layer 3 Ethernet switch based on new generation of high-performance hardware and Huawei Versatile Routing Platform (VRP). With 20 GE ports (10/100/1000Base-T) and 4 GE Combo ports, it provides a large switching capacity, high-density GE interfaces, and 10 GE uplink interfaces for users, applicable to various scenarios. The S5700-28C-SI-AC integrates many advanced technologies in terms of reliability, security, and energy conservation in order to help enterprise customers build a next-generation IT network.