Physical Port

• 24-port 10/100/1000BASE-T RJ45 copper
• 4 100/1000BASE-X mini-GBIC/SFP slots, shared with Port-21 to Port-24 compatible with 100BASE-FX SFP
• RJ45 to RS232 DB9 console interface for basic management and setup

Hardware Conformance

- Active-active redundant power failure protection

- Backup of catastrophic power failure on one supply

- Fault tolerance and resilience

• One 100 to 240V AC or dual 36 to 60V DC power input, redundant power with polarity reverse protection function
• 19-inch rack-mountable design
• IP30 metal case
• Supports EFT protection for 6000V DC power and 6000V DC Ethernet ESD protection
• -40 to 75 degrees C operating temperature for DC power input
• -10 to 60 degrees C operating temperature for AC power input

Digital Input & Digital Output

• 2 Digital Input (DI)
• 2 Digital Output (DO)
• Integrates sensors into auto alarm system
• Transfers alarm to IP network via email and SNMP trap

Layer 3 IP Routing Features

• Supports maximum 32 static routes and route summarization

Layer 2 Features

- Broadcast/Multicast/Unknown unicast

- IEEE 802.1Q tagged VLAN

- Up to 255 VLANs groups, out of 4095 VLAN IDs

- Provides Bridging (VLAN Q-in-Q) support (IEEE 802.1ad)

- Private VLAN Edge (PVE)

- Protocol-based VLAN

- MAC-based VLAN

- IP subnet-based VLAN

- Voice VLAN

- IEEE 802.1D Spanning Tree Protocol (STP)

- IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)

- IEEE 802.1s Multiple Spanning Tree Protocol (MSTP), spanning tree by VLAN

- BPDU Guard

- 802.3ad Link Aggregation Control Protocol (LACP)

- Cisco ether-channel (static trunk)

- Maximum 12 trunk groups, with 8 ports for each trunk

- Up to 16Gbps bandwidth (full duplex mode)

• Prevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex)
• High performance of Store-and-Forward architecture, and runt/CRC filtering eliminates erroneous packets to optimize the network bandwidth
• Storm control support
• Supports VLAN
• Supports Spanning Tree Protocol
• Supports Link Aggregation
• Provides port mirror (many-to-1)
• Port mirroring monitors the incoming or outgoing traffic on a particular port
• Loop protection to avoid broadcast loops
• Supports E.R.P.S. (Ethernet Ring Protection Switching)
• IEEE 1588 and Synchronous Ethernet network timing

Quality of Service

- IEEE 802.1p CoS

- ToS/DSCP/IP precedence of IPv4/IPv6 packets

- IP TCP/UDP port number

- Typical network application

• Ingress shaper and egress rate limit per port bandwidth control
• 8 priority queues on all switch ports
• Traffic classification
• Strict priority and Weighted Round Robin (WRR) CoS policies
• Traffic-policing policies on the switch port
• DSCP remarking

Multicast

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

Security

- 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

- IP-based Access Control List (ACL)

- MAC-based Access Control List (ACL)

• Authentication
• Access Control List
• Source MAC/IP address binding
• 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

Management

- Console/Telnet command line interface

- Web switch management

- SNMP v1, v2c, and v3 switch management

- SSH/SSL secure access

- Firmware upload/download via HTTP/TFTP

- Reset button for system reboot or reset to factory default

- Dual images

- SFP-DDM (Digital Diagnostic Monitor)

- Cable diagnostic technology provides the mechanism to detect and report potential cabling issues

- ICMPv6/ICMPv4 remote ping

• IPv4 and IPv6 dual stack management
• Switch Management Interfaces
• IPv6 address/NTP management
• Built-in Trivial File Transfer Protocol (TFTP) client
• BOOTP and DHCP for IP address assignment
• System Maintenance
• DHCP relay and option 82
• User privilege levels control
• NTP (Network Time Protocol)
• Link Layer Discovery Protocol (LLDP) and LLDP-MED
• Network diagnostic
• SMTP/Syslog remote alarm
• Four RMON groups (history, statistics, alarms and events)
• SNMP trap for interface link up and link down notification
• System Log
• PLANET Smart Discovery Utility for deployment management