Planet L2+ 24-Port Stackable Managed Switch

• 24 10/100/1000BASE-T RJ45 copper ports
• 4 10GBASE-SR/LR SFP+ slots, compatible with 1000BASE-SX/LX/BX SFP
• RJ45 to DB9 console interface for switch basic management and setup
• One 10/100BASE-TX Management port

• IP Stacking
  • Connects with stack member via Gigabit TP, SFP and 10G SFP+ interfaces
  • Single IP address management, supporting up to 16 IP units stacked together
• Hardware Stacking
  • Virtualized multiple SGS-5240 switch series stacked into one logical device
  • Connects with stack member via assigned 10G SFP+ interfaces
  • Single IP address stack management, supporting up to 6 hardware units stacked together
  • Stacking architecture supports redundant ring mode

• IPv4/IPv6 hardware static routing
• Routing interface provides per VLAN routing mode

• Supports VLAN
  • IEEE 802.1Q tag-based VLAN
  • Provider Bridging (VLAN Q-in-Q, IEEE 802.1ad) supported
  • GVRP for dynamic VLAN management
  • Protocol-based VLAN
  • MAC-based VLAN
  • IP subnet-based VLAN
  • Voice VLAN
• Supports Link Aggregation
  • 802.3ad Link Aggregation Control Protocol (LACP)
  • Cisco ether-channel (static trunk)
• Supports Spanning Tree Protocol
  • STP, IEEE 802.1D (Classic Spanning Tree Protocol)
  • RSTP, IEEE 802.1w (Rapid Spanning Tree Protocol)
  • MSTP, IEEE 802.1s (Multiple Spanning Tree Protocol, spanning tree by VLAN)
  • Supports BPDU & root guard
• Port mirroring to monitor the incoming or outgoing traffic on a particular port (many to one)
• Supports G.8032 ERPS (Ethernet Ring Protection Switching)
• Loop protection to avoid broadcast loops
• Link Layer Discovery Protocol (LLDP)
• Compatible with Cisco uni-directional link detection (UDLD) that monitors a link between two switches and blocks the ports on both ends of the link if the link fails at any point between the two devices

• Input and output rate limit per port bandwidth control
• 8 priority queues on all switch ports
  • IEEE 802.1p CoS/DSCP/IP Precedence
  • VLAN ID
  • ACL
  • Policy-based ingress and egress QoS

• Supports IPv4 IGMP snooping v1, v2 and v3
• Supports IPv6 MLD snooping v1 and v2
• Querier mode support
• IPv4 IGMP snooping port filtering
• IPv6 MLD snooping port filtering
• MVR (Multicast VLAN Registration)

• Authentication
  • IEEE 802.1x port-based/MAC-based network access authentication
  • IEEE 802.1x authentication with guest VLAN
  • Built-in RADIUS client to cooperate with the RADIUS servers
  • RADIUS/TACACS+ users access authentication
  • Guest VLAN assigns clients to a restricted VLAN with limited services
• Access Control List
  • IP-based Access Control List (ACL)
  • MAC-based Access Control List (ACL)
  • Time-based ACL
• 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
• IP address access management to prevent unauthorized intruder

• IPv4 and IPv6 dual stack management
• Switch Management Interfaces
  • Console and Telnet Command Line Interface
  • HTTP web switch management
  • SNMP v1 and v2c switch management
  • SSHv2, SSLv3 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
• Built-in Trivial File Transfer Protocol (TFTP) client
• BOOTP and DHCP for IP address assignment
• System Maintenance
  • Firmware upload/download via HTTP
  • Reset button for system reboot or reset to factory default
  • Dual images
• DHCP Functions:
  • DHCP Relay
  • DHCP Option 82
• User Privilege levels control
• Network Time Protocol (NTP) and SNTP
• Network Diagnostic
  • SFP-DDM (Digital Diagnostic Monitor)
  • Cable diagnostic technology provides the mechanism to detect and report potential cabling issues
  • ICMPv6/ICMPv4 remote ping
• Syslog remote alarm
• System Log

• Complies with IEEE 802.3at Power over Ethernet Plus
• Up to 24 ports of IEEE 802.3at PoE devices powered
• 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
  • PD classification detection