General

• Switching capacity (data rate, full duplex): 68 Gbps
• Forwarding capacity (data rate, full duplex): 51 Mpps
• 10/100/1000 Mbps RJ45 downlinks: 12
• 100/1000 Mbps/2.5 Gbps RJ45 downlinks (full duplex only)
• 10/100/1000 Mbps RJ45 uplinks (full duplex only, no PoE): 2
• 1/10 Gbps SFP/SFP+ uplinks: 2
• PoE/PoE+ ports: 12
• PoH / PoE / PoE+ 802.3bt ready ports
• Dual hot-swap power supplies
• Maximum PoE Class 3 ports (15.4 W per port): 8
• Maximum PoE+ Class 4 ports (30 W per port): 4
• Base IPv4/v6 Layer 3 routing (static routing, RIP): Yes
• Advanced IPv4/v6 Layer 3 routing (OSPF, VRRP, PIM, PBR features): With license
• Aggregated stacking bandwidth (data rate, full duplex): 240 Gbps
• Stacking density (maximum switches in a stack): 12
• Stacking ports (maximum ports2 usable for stacking): Up to 2×10 GbE SFP+
• Maximum stacking distance (distance between stacked switches): 10 km

Power

• Power inlet (AC): C14
• Input voltage/frequency: AC: 100 to 240 VAC @ 50 to 60 Hz
• Power supply rated maximum (AC): 150W
• PoE power budget (AC): 124W
• Switch power consumption (25°C): 20W
• Idle (no PoE load): 157W
• 10% traffic (full PoE load): 157W
• 100% traffic (full PoE load)
• Airflow: Fanless
• Switch heat dissipation (25°C)3,5
• Idle (no PoE load): 69 BTU/hr
• 10% traffic4 (full PoE load): 536 BTU/hr
• 100% traffic4 (full PoE load)

Environment

• Net Weight (Kg): 2.58
• Dimensions (mm): 269 (W), 213 (D), 43.4 (H)
• Acoustics (25°C, min fan speed): Fanless
• MTBF (25°C): 562,889 hours

Connector Options

• 10/100/1000 Mbps RJ-45
• 1 Gbps SFP ports
• 1/10 Gbps SFP+ ports
• Out-of-band Ethernet management: 10/100/1000 Mbps RJ-45
• Console management: RJ45 serial port and USB Type-C port with serial communication device class support
• File transfer: USB port, standard-A plug

DRAM

• 1GB

NVRAM (Flash)

• 2GB

Packet Buffer Size

• 12/24 port: 2 MB, 48 port: 4 MB

Maximum MAC Addresses

• 16,384

Maximum VLANs/PVLANs

• VLANs: 4,095
• PVLANs: 32

Maximum STP (spanning trees instances)

• 254

Maximum VEs

• 128

Maximum ARP entries

• 4,094

Maximum routes (in hardware)

• 1,000 (IPv4), 1,000 (IPv6)
• Next hop address: 4,094

Trunking

• Maximum ports per trunk: 16
• Maximum trunk groups: 128

Maximum Jumbo Frame Size

• 9,216 bytes

QoS priority queues

• 8 per port

Multicast groups

• 3,072 (Layer 2)
• 2,048 (Layer 3)

Quality of Service (QoS)

• ACL Mapping and Marking of ToS/DSCP (CoS)
• ACL Mapping and Marking of 802.1p
• ACL Mapping to Priority Queue
• Classifying and Limiting Flows Based on TCP Flags
• DiffServ Support
• Honoring DSCP and 802.1p (CoS)
• MAC Address Mapping to Priority Queue
• Priority Queue Management using Weighted Round Robin (WRR), Strict Priority (SP), and a combination of WRR and SP

Traffic Management

• ACL-based inbound rate limiting and traffic policies
• Broadcast, multicast, and unknown unicast rate limiting
• Inbound rate limiting per port
• Outbound rate limiting per port and per queue