Juniper QFX5120‑48Y 1 U 25GbE/100GbE Leaf Switch
The Juniper QFX5120‑48Y is a 1 U Ethernet switch with 48 multi‑rate (1/10/25 GbE) ports and 8 × 40/100 GbE uplinks, offering high capacity, low latency, EVPN‑VXLAN support, and advanced Layer 2/3 features for data center and enterprise deployments.
- Description
Description
The Juniper QFX5120‑48Y is a high‑performance, fixed‑configuration Ethernet switch ideal for modern data center leaf/aggregation or campus distribution deployments. It delivers wire‑speed Layer 2/Layer 3 switching and routing with support for EVPN‑VXLAN overlays, enabling scalable underlay/overlay fabrics and flexible network virtualization. Designed with a 1 U form factor, the QFX5120‑48Y features 48 tri‑speed downlink ports that support 1 GbE, 10 GbE, or 25 GbE (SFP/SFP+/SFP28) along with eight high‑speed uplinks (QSFP28) capable of 40 GbE or 100 GbE operation without breakout — offering robust bandwidth for east‑west traffic flows. Built on Juniper’s Junos OS with rich automation and routing features, this switch supports EVPN‑VXLAN, BGP, MPLS, advanced L3 VPNs, and powerful telemetry for provisioning, monitoring, and troubleshooting. With up to 4 Tbps switching capacity (bidirectional) and ultra‑low latency, the QFX5120‑48Y is suitable for dense server access or distribution across cloud, enterprise, and service provider environments.
Key Features:
- 48 × 1/10/25 GbE Downlinks – High‑density tri‑speed SFP/SFP+/SFP28 ports for flexible server and access connectivity.
- 8 × 40/100 GbE Uplinks – QSFP28 ports deliver high‑bandwidth uplinks for aggregation and spine connectivity.
- High Switching Capacity – Supports up to 4 Tbps bidirectional throughput with ultra‑low latency.
- EVPN‑VXLAN and Advanced Routing – Junos OS supports EVPN overlays, IPv4/IPv6 routing, MPLS, and L3 VPN services.
- Scalable and Resilient Fabric – Ideal for leaf/spine architectures and large scale‑out networking.
