| Manufacturer | Juniper Networks |
| Product Line | Juniper QFX Series |
| Series | QFX5120 |
| Product Type | Stackable Managed Switch, Layer 3 |
| Ports (downlinks) | 48 x 1G/10G/25G SFP28 |
| Ports (uplinks) | 8 x 40G/100G QSFP28 |
| Breakout Support | 4x25G or 4x10G per uplink port; up to 80 x 25GbE or 80 x 10GbE total |
| Switching Capacity | 4 Tbps |
| Forwarding Rate | 2 Bpps |
| Latency | 800 ns (cut-through mode) |
| Switching Modes | Cut-through and store-and-forward |
| MAC Address Table | 288,000 entries |
| VLANs | 4,093 |
| IPv4 Unicast Routes | 351,000 prefixes / 208,000 host routes |
| IPv4 Multicast Routes | 104,000 |
| IPv6 Unicast Routes | 168,000 prefixes / 104,000 host routes |
| ARP Entries | 64,000 |
| ECMP | 64-way |
| LAG Groups | 80 (up to 64 ports per LAG) |
| Virtual Chassis | Up to 4 members |
| Layer 3 | OSPF, IS-IS, BGP, RIP, VRF, MPLS L3VPN, RSVP-TE, LDP, EVPN, VXLAN, MC-LAG |
| CPU | 2.2 GHz |
| DRAM | 16 GB |
| Storage | 50 GB SSD |
| Operating System | Junos OS |
| Airflow | Back-to-front (port-side intake / AFI2) |
| Max Power | 272W |
| Typical Power | 247W |
| Form Factor | 1U rack-mountable |
| Dimensions | 1.70 x 17.40 x 20.50 in. |
| Weight | 23.70 lbs |
Overview
- We perform an intensive quality control process on all our products. Units (unless sealed in the original manufacturer’s packaging) are fully tested and certified by our technicians. We run and record diagnostics on serial and operating systems, ensuring they function to the industry standard.
- Unless the listing specifies otherwise, this product comes with a 1 Year Warranty for the original purchaser as enduser of the equipment, applicable to items sold in the United States only. All others sales are supported by a 90 day extended warranty.
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