GS-4210-48P4S – Planet 48 Port 30W PoE Switch with 4 Port SFP (440W)

Physical Port

• 48 10/100/1000BASE-T Gigabit RJ45 copper ports with 48-port IEEE 802.3at/af PoE injector
• 4 100/1000BASE-X mini-GBIC/SFP slots

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 48 ports of IEEE 802.3af/802.3at devices powered
• Supports PoE power up to 36 watts for each PoE port
• Auto detects powered device (PD)
• Circuit protection prevents power interference between ports
• Remote power feeding up to 100 meters
• 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
  – PD alive-check
  – PoE schedule

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 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, 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 co-operate 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 untrusted 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, v2c and v3
  – SSH and SSL secure access
• 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
• Cable diagnostics
• Link Layer Discovery Protocol (LLDP) and LLDP-MED
• SNMP trap for interface link up and link down notification
• Event message logging to remote Syslog server
• Four RMON groups (history, statistics, alarms and events)
• PLANET smart discovery utility
• Smart fan with speed control