Juniper Network Equipment 64 Port 100gbe Qsfp28 Juniper Industrial Switch Qfx5210
Juniper Network Equipment 64 Port 100gbe Qsfp28 Juniper Industrial Switch Qfx5210
Product Overview
The QFX5210 is a high-density 2U fixed-configuration switch featuring 64×100GbE QSFP28 ports, 12.8 Tbps throughput, 42 MB packet buffer, Broadcom Tomahawk2 ASIC, and EVPN-VXLAN support – purpose-built for data center spine-leaf IP fabrics and high-performance east-west traffic.
Key Differentiators
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High-Density 100GbE – 64×QSFP28 ports supporting 10/25/40/50/100GbE; breakout to 128×50/25/10GbE.
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Massive Throughput – 12.8 Tbps bidirectional; 4.2 Bpps forwarding capacity.
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Low Latency – 750 ns (64-byte packets) for latency-sensitive applications.
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Proven ASIC – Broadcom Tomahawk2 with 42 MB packet buffer for burst absorption.
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Flexible Airflow – AFO (front-to-back) or AFI (back-to-front) options for hot/cold aisle deployment.
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EVPN-VXLAN Ready – Full overlay support for network virtualization and multi-tenancy.
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RoCEv2 Support – RDMA over Converged Ethernet for AI/ML and storage workloads.
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Carrier-Grade Reliability – 1+1 redundant hot-swappable power supplies; N+1 redundant hot-swappable fans.
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Junos OS – Advanced L2/L3/MPLS feature set with full automation (ZTP, Python, Ansible, NETCONF, REST API).
Technical Specifications
| Category | Specification |
|---|---|
| System Throughput | 12.8 Tbps (bidirectional) |
| Forwarding Capacity | 4.2 Bpps |
| Form Factor | 2U |
| Fixed Ports | 64×QSFP+/QSFP28 |
| Max Port Density | 64×100GbE, 128×50/25/10GbE |
| Switch Chip | Broadcom Tomahawk2 |
| CPU | Intel Broadwell-DE, 4-core, 2.2 GHz |
| Memory/Storage | 16 GB DDR4 / 100 GB SSD |
| Packet Buffer | 42 MB |
| Latency | 750 ns (64-byte) |
| MAC Addresses | 264,000 |
| IPv4 Routes | 262,140 |
| VLAN IDs | 4,096 |
| Power Supplies | 2× (1+1 redundant), 1100W AC/DC |
| Cooling | 4 fans (N+1 redundant), hot-swappable |
| Airflow Options | AFO (front-to-back) / AFI (back-to-front) |
| Dimensions (H×W×D in) | 3.45×17.26×24.1 |
| Weight | 31.1 lb (14.1 kg) |
| Operating Temp | 0°C to 40°C |
| Max Power | 680W (typical) / 960W (max) |
| OS | Junos OS |
Software & Protocol Support
| Category | Features |
|---|---|
| L2 | VLAN, STP, RSTP, MSTP, LACP, 802.1X, LLDP, Q-in-Q |
| L3 | OSPF, IS-IS, BGP, RIP, VRRP, static routing, IPv6 |
| Data Center | EVPN-VXLAN, MC-LAG, RoCEv2, DCBX, PFC |
| MPLS | L3 VPN, RSVP-TE, LDP, LSR, FRR |
| Multicast | IGMP snooping, PIM-SM/SSM/Bidir, MLD |
| QoS | 10 hardware queues/port, WRED, PFC |
| Security | RADIUS, TACACS+, SSHv2, ACLs, DAI |
| Telemetry | Junos Telemetry Interface (JTI), sFlow, port mirroring |
| Automation | ZTP, Python, Ansible, Puppet, NETCONF, REST API |
Hardware Models
| SKU | Description | Airflow | PSU |
|---|---|---|---|
| QFX5210-64C-AFO | 64×QSFP28, front-to-back | AFO | AC 1100W |
| QFX5210-64C-AFI | 64×QSFP28, back-to-front | AFI | AC 1100W |
| QFX5210-64C-D-AFO | 64×QSFP28, front-to-back | AFO | DC 1100W |
| QFX5210-64C-D-AFI | 64×QSFP28, back-to-front | AFI | DC 1100W |
| QFX5210-64C-S | SONiC preinstalled | AFO/AFI | AC 1100W |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.