D-Link DGS-3420-28SC DGS-3420-52T Datasheet - Page 5

DGS-3420 Series xStack L2+ Managed Stackable Gigabit Switches Physical (continue) Operating Humidity Storage Humidity Emission (EMI) Safety Certification • 10% to 90% RH • 5% to 90% RH • FCC Class A, CE Class A, VCCI Class A, IC, C-Tick • CB, cUL, LVD • IPv6 Ready Logo Phase 2 Software Features Stackability L2 Features VLAN L3 Features L3 Routing QoS (Quality of Service) • Virtual Stacking Support • D-Link Single IP Management • Up to 32 devices per virtual stack • MAC Address Table: 16K • Flow Control • 802.3x Flow Control • HOL Blocking Prevention • Jumbo Frames up to 13000 bytes • IGMP snooping • IGMP v1/v2/v3 Snooping • Supports 960 groups • Port/Host-based • IGMP Snooping • Fast Leave • MLD Snooping • MLD v1/v2 Snooping • Supports 480 groups • Host-based MLD Snooping Fast Leave VLAN Group • Max. 4K Static VLAN Groups • Max. 255 Dynamic VLAN Groups • 802.1Q Tagged VLAN • 802.1v Protocol VLAN • GVRP • 256 IP interfaces • Loopback interface • IPv6 Tunneling • 1K routing entries shared by IPv4/v6 • Max. 1K IPv4 routes • Max. 512 IPv6 routes • 2K L3 forwarding entries shared by IPv4/v6 • Max. 2K IPv4 entries • Max. 1K IPv6 entries • 802.1p Class of Service (CoS) • 8 queues per port • Queue Handling • Strict • Weighted Round Robin (WRR) • Strict + WRR • CoS based on • Switch Port • VLAN ID • 802.1p Priority Queues • MAC Address • IPv4/v6 Address • DSCP • Protocol Type • Physical Stacking • Supports Duplex Chain/Ring topology • Up to 40G stacking bandwidth • Up to 12 units per stack • Spanning Tree • 802.1D-2004 STP • 802.1w RSTP • 802.1Q-2005 MSTP • BPDU filtering • Root Restriction • Loopback Detection • 802.3ad Link Aggregation • Max. 32 groups per device • 8 Gigabit ports or 2 10-Gigabit port per group • Port Mirroring • Supports 4 Mirroring Groups • Supports One-to-One, Many-to-One, • Flow-based, and RSPAN mirroring • L2 Protocol Tunneling • ERPS (Ethernet Ring Protection Switching) • Double VLAN (Q-in-Q) • Port-based Q-in-Q • Selective Q-in-Q4 • MAC-based VLAN • VLAN Trunking • 802.1Qbb4 • Proxy ARP • Gratuitous ARP • 256 static routing entries for IPv4, 128 entries for IPv6 • RIP v1/v2 • RIPng • IPv6 Traffic Class • IPv6 Flow Label •TCP/UDP Port • User-defined Packet Content • Supports following actions for flows: • Remark 802.1p Priority Tag • Remark TOS/DSCP Tag • Bandwidth Control • Flow Statistics • Committed Information Rate (CIR),min. granularity 1 Kbps. • Bandwidth Control • Port-based (Ingress/Egress, min. granularity 64 Kbps) • Flow-based (Ingress, min. granularity 64 Kbps) • Time-based QoS