D-Link DGS-1250 Quick Install Guide - Page 7

DGS-1250 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide  Supports Layer 2 Multicast Filtering.  Supports IGMP Snooping (v1, v2, v3 awareness) with up to 256 snooping groups and 128 static multicast addresses. MLD Snooping (v1, v2 awareness) with up to 256 snooping groups and 128 static multicast addresses. IGMP Snooping and MLD Snooping share 128 static groups and 256 snooping groups.  Supports Virtual LAN (802.1Q) with up to 4K static VLAN groups and 4K dynamic VLAN groups.  Supports Port-based VLAN.  Supports Asymmetric VLAN.  Supports Auto Voice and Surveillance VLAN.  Supports IP Interfaces with up to 4 IP interfaces.  Supports Static Routing.  Supports Quality of Service (QoS) with Queue Handling and Class of Service (CoS).  Supports Access Control List (ACL) with Ingress ACL, Time-based ACL, and ACL Statistics.  Supports Secure Shell (SSHv2) with IPv4/IPv6 access.  Support Transport Layer Security (TLS) versions 1.0, 1.1, and 1.2.  Supports Port Security of up to 64 MAC addresses per port.  Supports Broadcast and Multicast Storm Control.  Supports Traffic Segmentation.  Supports D-Link SafeGuard Engine.  Supports ARP Spoofing Prevention.  Supports IP-MAC-Port Binding (IMPB). This feature includes DHCP Snooping, IP Source Guard, Dynamic ARP Inspection, DHCPv6 Guard, RA Guard, IPv6 Snooping, IPv6 Source Guard, IPv6 ND Snooping, and IPv6 ND Inspection.  Supports DoS Attack Prevention.  Supports Port-based Network Access Control (PNAC) better known as 802.1X. This feature includes Local and RADIUS database, and Port-based Access Control.  Supports Guest VLAN.  Supports Link Layer Discovery Protocol (LLDP) with LLDP-MED.  Supports Accessibility using multiple interfaces like the Command Line Interface (CLI), Web-based Graphical User Interface (Web-based GUI), and more.  Supports Telnet Server and Client from IPv4 and IPv6.  Supports Trivial File Transfer Protocol (TFTP) Client.  Supports Simple Network Management Protocol (SNMP) version 1, 2c, and 3. Also supports SNMP Traps.  Supports DHCP Client.  Supports Dynamic Host Configuration Protocol (DHCP) Relay.  Supports Traps and Logs.  Support Dual Images and Configurations.  Supports Simple Network Time Protocol (SNTP).  Support Power Saving using the Link Status Mode.  Support Time-based Power-over-Ethernet (PoE).  Supports IEEE 802.3az compliance.  Supports D-Link Discovery Protocol (DDP).  Supports MIBs like MIBII, Bridge MIB, SNMPv2 MIB, RMON MIB, RMONv2 MIB, Ether-like MIB, 802.3 MAU MIB, 802.1p MIB, RADIUS Authentication Client MIB, Ping MIB, L2 Specific MIB, Private MIB, Entity MIB, and ZoneDefense MIB. Front Panel Components The front panel of the Switch features a variety of LED indicators, ports, a Reset button, and a Mode button (only of PoE supported switches). Figure 1-1 Front panel view of the DGS-1250-28X 2