D-LINK 32-Port 10G SFP+ Layer 3 Stackable Managed Switch 25G

32-Port 10G Layer 3 Stackable Aggregation Managed Fiber SwitchDXS-3130-32S 28 Ports 10G/multi-Gigabit for downlink 4 Ports 10/25G SFP28 for uplink Physical stack of up to 9 units via four 25G ports  200 Gbps per-device physical stacking bandwidth  Ethernet Ring Protection Switching (ERPS) RIP/RIPng, OSPFv2/v3, VRRP for L3 routing Support 802.1X and Web/MAC-based access control IEEE 802.1ag for Connectivity Fault Management Green features for reduced power consumption Manage through the Nuclias Network Controller