D-Link DGS-3100-24 24-Port Managed L2 Gigabit Stackable Switch The DGS-3100-24 includes two built-in stacking ports that can provide up to 20Gbps in stacking backplane. This will enhance your overall network performance for those switches transmitting large files. D-Link switches support 802.1x authentication, which is a secure implementation that allows users to log onto your network. When used in conjunction with a RADIUS server For today's business, having voice, data, and video on the same network is common practice. This challenge is met by the D-Link DGS-3100-24, which supports 802.1p Quality of Service (Qos) with 4 queues. The DGS-3100-24 supports SNMP v1/2/3 so traps can be set on abnormal events and information can be polled to maximize the productivity of the network.