Juniper QFX5200‑48YUncategorized

High‑Density 25GbE Access with Scalable 40/100GbE Uplinks — Juniper QFX5200‑48Y

The Juniper QFX5200‑48Y is a versatile data center and leaf access switch engineered for modern high‑performance networks. It features 48 SFP+/SFP28 ports configurable for 10 GbE or native 25 GbE, and 6 QSFP+/QSFP28 uplinks capable of 40 GbE or 100 GbE speeds. Powered by Juniper Junos® OS, this switch delivers robust Layer 2/Layer 3 networking, EVPN‑VXLAN overlays, and automation support for large‑scale fabrics. With 3.6 Tbps throughput, flexible port configuration, and redundant hardware, the QFX5200‑48Y is ideal for Top‑of‑Rack (ToR), spine‑leaf data center, and enterprise campus deployments.

Key Specifications
Ports & Connectivity

• 48 × SFP+/SFP28 ports — support 10 GbE or native 25 GbE on access ports; default is 10 GbE and can be configured in groups of four ports for 25 GbE.

• 6 × QSFP+/QSFP28 ports — support 40 GbE or 100 GbE uplink speeds (auto‑sense with optic type).

• Ports support DAC, AOC, and optical modules as appropriate for speed.

Performance & Capacity

• Switching Capacity: ~3.6 Tbps (bidirectional).

• Forwarding Rate: ~2.1 Bpps (billion packets per second).

• MAC Address Table: ~136,000 entries.

• VLANs Supported: Up to 4,096.

• Jumbo Frame Support: Up to 9,216 bytes.

• Buffer Capacity: ~22 MB packet buffer.

Software & Routing

• Runs Juniper Junos OS with support for advanced Layer 2 and Layer 3 features (BGP, OSPF, RIP), EVPN‑VXLAN, and data‑center bridging.

• Compatible with Zero‑Touch Provisioning (ZTP) and automation tools.

Hardware & Physical

• Form Factor: Standard 1 U rack mount switch.

• Dimensions: ~17.36″ × 1.70″ × 20.28″ (WxHxD).

• Weight: ~21.2 lb (9.6 kg).

• Redundant Fans: Hot‑swap capable fans for reliability.

• Redundant PSU: Optional hot‑swap AC/DC power supplies.

• Airflow: Front‑to‑back or back‑to‑front airflow options for data‑center cooling.

• CPU & Memory: Quad‑core Intel CPU with ~16 GB RAM and 32 GB SSD for control plane.

Typical Use Cases

• Top‑of‑Rack (ToR) Leaf Access for 10 GbE and 25 GbE servers.

• Data Center Spine/Leaf Fabrics with 40 GbE/100 GbE uplinks.

• Campus Aggregation/Core requiring high‑density, low‑latency switching.

• EVPN‑VXLAN Fabric Networks and cloud networking overlays.