24-Port 10/100/1000T 802.3at PoE + 4-Port Gigabit TP/SFP Combo Managed Switch

Physical Port

• 28-Port 10/100/1000BASE-T Gigabit RJ45 copper with 24-Port IEEE 802.3at/af PoE Injector (Port-1 to Port-24)
• 4 100/1000BASE-X SFP slots, shared with port-25 to port-28 compatible with 100BASE-FX SFP
• RJ45 console interface for switch basic management and setup
• Reset button for system factory default and reboot

Switching

• Hardware-based 10/100Mbps, half/full duplex and 1000Mbps full duplex mode, flow control and 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
• 10K jumbo frame
• Supports ESD protection: Contact Discharge 4KV DC, Air Discharge 8KV DC
• Automatic address learning and address aging
• Supports CSMA/CD protocol

Power over Ethernet

• Complies with IEEE 802.3at Power over Ethernet Plus, end-span PSE
• Backward compatible with IEEE 802.3af Power over Ethernet
• Up to 24 ports of IEEE 802.3af/802.3at devices powered
• Supports PoE power up to 30 watts for each PoE port
• 280-watt PoE budget for GS-4210-24P4C
• Auto detects powered device (PD)
• Circuit protection prevents power interference between ports
• Remote power feeding up to 100 meters in standard mode and 250m in extend mode
• PoE management: Total PoE power budget control, Per port PoE function enable/disable, PoE Port Power feeding priority, Per PoE port power limitation, PoE delay, PD classification detection
• Intelligent PoE features: PD alive check, PoE schedule, PoE extension

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: IEEE 802.1Q tagged VLAN, Provider Bridging (VLAN Q-in-Q) support (IEEE 802.1ad), Protocol VLAN, Voice VLAN, Private VLAN, Management VLAN, GVRP
• Supports Spanning Tree Protocol: STP (Spanning Tree Protocol), RSTP (Rapid Spanning Tree Protocol), MSTP (Multiple Spanning Tree Protocol), STP BPDU Guard, BPDU Filtering and BPDU Forwarding
• Supports Link Aggregation
• IEEE 802.3ad Link Aggregation Control Protocol (LACP)
• Cisco ether-channel (Static Trunk)
• Provides port mirror (many-to-1)
• Loop protection to avoid broadcast loops
• Supports ERPS (Ethernet Ring Protection Switching)

Quality of Service

• Ingress/Egress Rate Limit per port bandwidth control
• Storm Control support: Broadcast/Unknown-Unicast/Unknown-Multicast
• Traffic classification: IEEE 802.1p CoS, TOS/DSCP/IP Precedence of IPv4/IPv6 packets
• Strict priority and Weighted Round Robin (WRR) CoS policies

Multicast

• Supports IPv4 IGMP snooping v2 and v3
• Supports IPv6 MLD snooping v1, v2
• IGMP queried mode support
• IGMP snooping port filtering
• MLD snooping port filtering

Security

• Authentication: IEEE 802.1X Port-based network access authentication, Built-in RADIUS client to cooperate with the RADIUS servers, DHCP Option 82, RADIUS/TACACS+ login user access authentication
• Access Control List: IPv4/IPv6 IP-based ACL, IPv4/IPv6 IP-based ACE, MAC-based ACL, MAC-based ACE
• MAC Security: Static MAC, MAC Filtering
• 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: Four RMON groups (history, statistics, alarms, and events), SNMP trap for interface Link Up and Link Down notification
• 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 Web interface, Dual Images, Hardware reset button for system reboot or reset to factory default
• SNTP Network Time Protocol
• Network Diagnostic: ICMPv6/ICMPv4 Remote Ping, Cable Diagnostics, SFP-DDM (Digital Diagnostic Monitor)
• Link Layer Discovery Protocol (LLDP) Protocol and LLDP-MED
• Event message logging to remote Syslog server
• PLANET Smart Discovery Utility for deployment management
• PLANET NMS system and CloudViewer for deployment management