| Specification | Details |
|---|---|
| Gigabit Ethernet Ports | 24 |
| Uplink Interfaces | 4 SFP |
| PoE+ Power Budget | 370W |
| Fanless | No |
| Dimensions (WxDxH in inches) | 17.5 x 13.59 x 1.73 |
| Console Ports | – RJ-45 Ethernet: 1 – USB mini-B: 1 – USB-A port for storage and Bluetooth console: 1 |
| Memory and Processor | Details |
|---|---|
| CPU | ARM v7 800 MHz |
| DRAM | 512 MB |
| Flash Memory | 256 MB |
| Performance | Details |
|---|---|
| Forwarding Bandwidth | 28 Gbps |
| Switching Bandwidth | 56 Gbps |
| Forwarding Rate (64-byte L3 Packets) | 41.67 Mpps |
| Unicast MAC Addresses | 16,000 |
| IPv4 Unicast Direct Routes | 542 |
| IPv4 Unicast Indirect Routes | 256 |
| IPv6 Unicast Direct Routes | 414 |
| IPv6 Unicast Indirect Routes | 128 |
| IPv4 Static Routes | 16 |
| IPv6 Static Routes | 16 |
| IPv4 Multicast Routes and IGMP Groups | 1,024 |
| IPv6 Multicast Groups | 1,024 |
| IPv4/MAC Security ACEs | 600 |
| IPv6 Security ACEs | 600 |
| Maximum Active VLANs | 256 |
| Available VLAN IDs | 4,094 |
| Maximum STP Instances | 64 |
| Maximum SPAN Sessions | 4 |
| MTU-L3 Packet | 9,198 bytes |
| Jumbo Ethernet Frame | 10,240 bytes |
| Dying Gasp | Yes |
| MTBF | Details |
|---|---|
| MTBF in Hours (Data) | 2,026,793 |
| MTBF in Hours (PoE) | 698,220 |
| MTBF in Hours (Full PoE) | 698,220 |
| Environmental | Details |
|---|---|
| Operating Temperature Sea Level | -5°C to 50°C (short-term operation only) |
| Operating Temperature (up to 1,500m) | -5°C to 45°C |
| Operating Temperature (up to 3,000m) | -5°C to 40°C |
| Operating Altitude | 10,000 ft (3,000m) |
| Operating Relative Humidity | 5% to 90% at 40°C |
| Storage Temperature | -25°C to 70°C (-13°F to 158°F) |
| Storage Altitude | 15,000 ft (4,500m) |
| Storage Relative Humidity | 5% to 95% at 65°C |
Note: 50°C operation is supported for short-term use only. GLC-BX-D/U and CWDM optics cannot support 50°C operation. The minimum ambient temperature for a cold start is 0°C (32°F).