D-Link DGS-3420-52P Gigabit Managed Switch

xStack 48-port 10/100/1000 Layer 2+ Stackable Managed PoE Gigabit Switch plus 4 10GE SFP+
– Including 4 built-in Combo 1000BaseT/Mini-GBIC SFP ports
– 4 10GE SFP+ up to 20G bandwidth for stacking or 40G bandwidth for uplink
– Up to 12 units per stack with other DGS-3620 series switches
– Up to 32 units per virtual stack (Single IP Management)
– IEEE 802.3af and IEEE 802.3at PoE compliant
– Maximum PoE output capacity 370W per device (740W with DPS-700 RPS)
– Time-based PoE
– IPv6 Ready Logo Phase I and Phase II
provides comprehensive IPv6 support including IPv6 Tunnel ICMPv6 IPv6 Neighbor Discovery (ND) DHCPv6 RIPng
– IEEE 802.3x Flow Control Auto MDI/MDI-X on all twisted pair ports
– MSTP ERPS LACP
– IEEE 802.3ad Link Aggregatioin (32 groups per device 8 ports per group)
– 16K MAC address table 1K routing table (shared by IPv4/6) 2K L3 forwarding table (shared by IPv4/6)
– 256 Static IPv4/IPv6 Routes (shared by IPv4/6)
– IEEE 802.1p Priority Queues (up to 8 queues)
– Bandwidth Control (64Kbps granularity) Class of Service (CoS)
– QoS based on IPv4 or IPv6 parameters
– IEEE 802.1Q VLAN (4095 static 255 dynamic groups)
– Advanced Access Control List (ACL) Ingress ACL: support 6 profiles and 256 rules per profile Egress ACL: support 4 profiles and 128 rules per profile
– Advanced Security RADIUS/TACACS+/SSHv2/SSLv3
– IEEE 802.1x Port WAC/MAC based Access Control MAC-IP Binding
– Broadcast Storm Control Traffic Segmentation
– IGMP v1/2/3 Snooping MLD Snooping
– HTTP Telnet TFTP client CLI SYSLOG
– SNMP v1/v2c/v3 RMONv1/v2 (4 groups)
– Optional External Redundant power supply (DPS-700)
– Smart fan external SD card (for firmware config file boot image syslog) external alarm port
– 19-inch rackmount size