> Physical Port

> ．24 100/1000BASE-X SFP ports (Ports 1 to 24)

> ．8 10/100/1000BASE-T Gigabit Ethernet RJ45 ports, shared with Ports 1 to 8

> ．4 10GBASE-SR/LR SFP+ slots (Ports XG1 to XG4), backward compatible with 100M/1G/2.5GBASE-X SFP

> ．RJ45 to DB9 console interface for switch basic management and setup

> Switching

> ．Hardware-based 10/100Mbps, half/full duplex and 1000Mbps full duplex mode, auto-negotiation, and auto MDI/MDI-X

> ．Features Store-and-Forward mode with wire-speed filtering and forwarding rates

> ．IEEE 802.3x flow control for full duplex operation and back pressure for half duplex operation

> ．16K MAC address table size

> ．12K jumbo frame

> ．Automatic address learning and address aging

> ．Supports CSMA/CD protocol

> Layer 2 Features

> ．Prevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex)

> ．High performance Store and Forward architecture, broadcast storm control, runt/CRC filtering eliminates erroneous packets to optimize the network bandwidth

> ．Supports VLAN

> ．Supports Spanning Tree Protocol

> ．Supports Link Aggregation

> ．Provides port mirror (many-to-1)

> ．Loop protection to avoid broadcast loops

> ．Supports ERPS (Ethernet Ring Protection Switching)

> ．Link Layer Discovery Protocol (LLDP)

> Layer 3 IP Routing Features

> ．Supports maximum 32 static routes and route summarization

> Quality of Service

> ．Ingress/Egress Rate Limit per port bandwidth control

> ．Traffic classification

> ．Strict priority and Weighted Round Robin (WRR) CoS policies

> Security

> ．Storm Control support

> ．Authentication

> ．．Built-in RADIUS client to co-operate with the RADIUS servers

> ．．DHCP Option 82

> ．．RADIUS/TACACS+ login user access authentication

> ．Access Control List

> ．MAC Security

> ．Port Security for Source MAC address entries filtering

> ．DHCP Snooping to filter distrusted DHCP messages

> ．Dynamic ARP Inspection discards ARP packets with invalid MAC address to IP address binding

> ．IP Source Guard prevents IP spoofing attacks

> ．DoS Attack Prevention

> Management

> ．IPv4 and IPv6 dual stack management

> ．Switch Management Interface

> ．．Web switch management

> ．．Console/Telnet Command Line Interface

> ．．SNMP v1 and v2c switch management

> ．．SSHv2, TLSv1.2 and SNMP v3 secure access

> ．SNMP Management

> ．．SNMP trap for interface Link Up and Link Down notification

> ．．Four RMON groups (history, statistics, alarms, and events)

> ．User Privilege Levels Control

> ．Built-in Trivial File Transfer Protocol (TFTP) client

> ．BOOTP and DHCP for IP address assignment

> ．System Maintenance

> ．．Firmware upload/download via HTTP/TFTP

> ．．Configuration upload/download through HTTP/TFTP

> ．．Dual Images

> ．SNTP Network Time Protocol

> ．Network Diagnostic

> ．．Cable Diagnostics

> ．．ICMPv6/ICMPv4 Remote Ping

> ．．SFP-DDM (Digital Diagnostic Monitor)

> ．Link Layer Discovery Protocol (LLDP) Protocol and LLDP-MED

> ．Event message logging to remote Syslog server

> Redundant Power System

> ．Redundant 100~240V AC/36-72V DC dual power

> ．Active-active redundant power failure protection

> ．Backup of catastrophic power failure on one supply