GS-4210-8P2S 8-Port 802.3at PoE 2 x SFP managed gigabit switch

Physical Ports in GS-4210-8P2S:

• 8-port 10/100/1000BASE-T RJ45 copper with PoE injector function
• 2 100/1000BASE-X mini-GBIC/SFP slots
• RJ45 console interface for switch basic management and setup  

Power over Ethernet

• Complies with IEEE 802.3at PoE+ and 802.3af standard PSE
• Backward compatible with IEEE 802.3af Power over Ethernet
• Selectable PoE mode: End-span/Mid-span/802.3bt/UPoE/Legacy  
• Each PoE port supports 54V DC power to powered device
• 120-watt PoE budget
• Auto detects powered device
• Circuit protection prevents power interference between ports
• Remote power feeding up to 100 meters in standard mode and 250m in extended mode
• PoE management
  • Total PoE power budget control
  • Per port PoE function enable/disable
  • PoE port power feeding priority
  • Per PoE port power limitation
  • PD classification detection
  • PoE extension
• Intelligent PoE features
  • PD alive check
  • PoE schedule
  • Scheduled power recycling

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, and runt/CRC filtering that 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

Quality of Service

• Ingress and 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 querier 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
  • RADIUS/TACACS+ login user access authentication
• Access control list
  • IPv4/IPv6 IP-based ACL
  • MAC-based ACL
• 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
• SSH/SSL

Management

• IPv4 and IPv6 dual stack management
• Switch management interface
  • Web switch management 
  • Telnet command line interface
  • SNMP v1 and v2c switch monitoring
  • SSHv2 and 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
  • SFP-DDM (digital diagnostic monitor)
  • Cable diagnostics
  • ICMPv4/ICMPv6 remote ping
• Link Layer Discovery Protocol (LLDP) and LLDP-MED
• Event message logging to remote Syslog server
• PLANET smart discovery utility
• Smart fan with speed control