Extreme EC720003X-E6 | VSP 7254XSQ Layer 3 modular switch
Product Overview
The Extreme EC720003X-E6 is a high-density, carrier-grade switch belonging to the Virtual Services Platform (VSP) 7254XSQ series that converges 10 GbE server access and 40 GbE spine uplinks in a single 1 RU footprint. Equipped with forty-eight 1/10 Gigabit SFP/SFP+ ports and six 40 Gigabit QSFP+ uplinks, the Extreme EC720003X-E6 delivers a forwarding capacity of 1.44 Tbps with sub-microsecond latency, making it ideal for latency-sensitive industrial data lakes, campus aggregation and micro data-centres that must scale without forklift upgrades. Licensed through Extreme’s Fabric Attach architecture, the Extreme EC720003X-E6 can be deployed as a traditional L2/L3 switch or as a fabric node that self-provisions under a VSP 9000 spine, collapsing multiple tiers into a single logical chassis. Its value lies in unifying OT traffic—such as PROFINET or EtherNet/IP frames from PLCs—with IT workloads, all while offering zero-touch provisioning and hitless ISSU that keep continuous processes alive during software updates.
The Extreme EC720003X-E6 is a high-density, carrier-grade switch belonging to the Virtual Services Platform (VSP) 7254XSQ series that converges 10 GbE server access and 40 GbE spine uplinks in a single 1 RU footprint. Equipped with forty-eight 1/10 Gigabit SFP/SFP+ ports and six 40 Gigabit QSFP+ uplinks, the Extreme EC720003X-E6 delivers a forwarding capacity of 1.44 Tbps with sub-microsecond latency, making it ideal for latency-sensitive industrial data lakes, campus aggregation and micro data-centres that must scale without forklift upgrades. Licensed through Extreme’s Fabric Attach architecture, the Extreme EC720003X-E6 can be deployed as a traditional L2/L3 switch or as a fabric node that self-provisions under a VSP 9000 spine, collapsing multiple tiers into a single logical chassis. Its value lies in unifying OT traffic—such as PROFINET or EtherNet/IP frames from PLCs—with IT workloads, all while offering zero-touch provisioning and hitless ISSU that keep continuous processes alive during software updates.
Technical specifications
Product models | EC720003X-E6
Manufacturer | Extreme Networks
Product types | VSP 7254XSQ Layer 3 modular switch
Port density | 48× 1/10 GbE SFP/SFP+ + 6× 40 GbE QSFP+
Switching capacity | 1.44 Tbps
Forwarding rate | 1 Bpps
Latency | < 800 ns
MAC table | 128 K entries
Power (front-to-back AC) | 1× 800 W hot-swappable PSU
Airflow | Front-to-back, fan tray optional
Dimensions | 440 × 44 × 460 mm
Weight | 8.9 kg

Product models | EC720003X-E6
Manufacturer | Extreme Networks
Product types | VSP 7254XSQ Layer 3 modular switch
Port density | 48× 1/10 GbE SFP/SFP+ + 6× 40 GbE QSFP+
Switching capacity | 1.44 Tbps
Forwarding rate | 1 Bpps
Latency | < 800 ns
MAC table | 128 K entries
Power (front-to-back AC) | 1× 800 W hot-swappable PSU
Airflow | Front-to-back, fan tray optional
Dimensions | 440 × 44 × 460 mm
Weight | 8.9 kg

Main features and advantages
Reliable hardware foundation: The EC720003X-E6 employs a fully redundant, load-sharing power architecture and temperature-hardened ASICs that operate from 0 °C to 45 °C without throttling, ensuring deterministic performance even when rack doors close on hot plant floors.
Fabric intelligence: Integrated Fabric Attach allows the switch to join an Extreme VSP fabric in minutes, eliminating VLAN sprawl and reducing provisioning errors during brownfield expansions.
Hitless upgrade path: In-service software upgrades (ISSU) let engineers patch firmware across the EC720003X-E6 cluster without dropping a single PROFINET frame, critical for pharmaceutical batch campaigns that cannot afford a restart.
Deep buffering: With 9 MB of packet buffer per ASIC, elephant flows generated by high-speed machine-vision cameras are absorbed without tail-drop, maintaining deterministic scan-to-actuation timing.
Security at wire speed: MACsec-256 encryption on every port protects recipe parameters and sensor data against eavesdropping without impacting throughput, while 802.1X and dynamic ACLs enforce role-based access for contractors and OEM vendors.
Reliable hardware foundation: The EC720003X-E6 employs a fully redundant, load-sharing power architecture and temperature-hardened ASICs that operate from 0 °C to 45 °C without throttling, ensuring deterministic performance even when rack doors close on hot plant floors.
Fabric intelligence: Integrated Fabric Attach allows the switch to join an Extreme VSP fabric in minutes, eliminating VLAN sprawl and reducing provisioning errors during brownfield expansions.
Hitless upgrade path: In-service software upgrades (ISSU) let engineers patch firmware across the EC720003X-E6 cluster without dropping a single PROFINET frame, critical for pharmaceutical batch campaigns that cannot afford a restart.
Deep buffering: With 9 MB of packet buffer per ASIC, elephant flows generated by high-speed machine-vision cameras are absorbed without tail-drop, maintaining deterministic scan-to-actuation timing.
Security at wire speed: MACsec-256 encryption on every port protects recipe parameters and sensor data against eavesdropping without impacting throughput, while 802.1X and dynamic ACLs enforce role-based access for contractors and OEM vendors.
Application fields
In discrete automotive plants the EC720003X-E6 aggregates 10 GbE links from robotic weld cells and safety PLC rings, forwarding time-critical safety frames over 40 GbE uplinks to the plant historian without adding latency to motion control loops. Power-generation facilities deploy pairs of EC720003X-E6 switches in redundant star topologies to interconnect turbine controllers, vibration monitoring systems and IEC 61850 IEDs across a single converged network, cutting capital expense by 30 % versus separate OT and IT infrastructures. At edge data centres serving logistics hubs, the switch’s high radix enables spine-and-leaf fabrics that burst to 40 GbE when warehouse automation systems run nightly inventory AI models, then gracefully fall back to 10 GbE during day-to-day operations. Water utilities extend the EC720003X-E6 across treatment plants and lift stations, leveraging its MACsec encryption to secure SCADA telemetry that travels over leased fibre back to the central control room.
In discrete automotive plants the EC720003X-E6 aggregates 10 GbE links from robotic weld cells and safety PLC rings, forwarding time-critical safety frames over 40 GbE uplinks to the plant historian without adding latency to motion control loops. Power-generation facilities deploy pairs of EC720003X-E6 switches in redundant star topologies to interconnect turbine controllers, vibration monitoring systems and IEC 61850 IEDs across a single converged network, cutting capital expense by 30 % versus separate OT and IT infrastructures. At edge data centres serving logistics hubs, the switch’s high radix enables spine-and-leaf fabrics that burst to 40 GbE when warehouse automation systems run nightly inventory AI models, then gracefully fall back to 10 GbE during day-to-day operations. Water utilities extend the EC720003X-E6 across treatment plants and lift stations, leveraging its MACsec encryption to secure SCADA telemetry that travels over leased fibre back to the central control room.
Related products
EC720001F-E6 – 48× 10 GbE SFP+ with front-to-back DC PSU, same software feature set for telco central offices.
EC720002X-E6 – 32× 10 GbE SFP+ plus 8× 40 GbE QSFP+ for environments needing lower port density.
VSP 8404C – Compact 4-slot modular chassis that can accept the same line cards as EC720003X-E6, ideal for hub-and-spoke designs.
VSP 4900 Series – 1 GbE access switches that uplink natively to the EC720003X-E6 via 10 GbE stacking links.
Summit X770 – Legacy 10/40 GbE switch that can coexist in mixed fabrics for gradual migration scenarios.
EC720001F-E6 – 48× 10 GbE SFP+ with front-to-back DC PSU, same software feature set for telco central offices.
EC720002X-E6 – 32× 10 GbE SFP+ plus 8× 40 GbE QSFP+ for environments needing lower port density.
VSP 8404C – Compact 4-slot modular chassis that can accept the same line cards as EC720003X-E6, ideal for hub-and-spoke designs.
VSP 4900 Series – 1 GbE access switches that uplink natively to the EC720003X-E6 via 10 GbE stacking links.
Summit X770 – Legacy 10/40 GbE switch that can coexist in mixed fabrics for gradual migration scenarios.

Installation and maintenance
Preparations before installation: Reserve 1 RU of space with 150 mm clearance at the front for airflow; the EC720003X-E6 breathes front-to-back and must not be mounted in sealed cabinets without active exhaust. Provide two independent AC circuits so the redundant PSU option can be field-added later. Download the latest VOSS firmware image and the switch’s unique license file before rack-and-stack day to enable zero-touch fabric onboarding.
Preparations before installation: Reserve 1 RU of space with 150 mm clearance at the front for airflow; the EC720003X-E6 breathes front-to-back and must not be mounted in sealed cabinets without active exhaust. Provide two independent AC circuits so the redundant PSU option can be field-added later. Download the latest VOSS firmware image and the switch’s unique license file before rack-and-stack day to enable zero-touch fabric onboarding.
Maintenance Suggestions: Schedule quarterly software patches during planned OT windows; the EC720003X-E6 supports ISSU so only one supervisor reboot is required. Clean dust filters monthly—clogged filters raise inlet temperature above 45 °C and trigger thermal throttling. Use Extreme’s OneView dashboard to set SNMP alerts for port CRC errors; rising CRC counts often precede fiber degradation in harsh plant environments.
Product Assurance
Our company offers a one-year quality warranty service for the EC720003X-E6, covering hardware failures caused by non-human factors. During the warranty period, if the product shows abnormal performance or functional failure, we will provide replacement service. In addition, for discontinued models or urgent needs, relying on our global supply chain network, we can quickly respond to customers’ procurement demands for scarce spare parts, and provide reliable services to support the continuous and stable operation of industrial systems.
Our company offers a one-year quality warranty service for the EC720003X-E6, covering hardware failures caused by non-human factors. During the warranty period, if the product shows abnormal performance or functional failure, we will provide replacement service. In addition, for discontinued models or urgent needs, relying on our global supply chain network, we can quickly respond to customers’ procurement demands for scarce spare parts, and provide reliable services to support the continuous and stable operation of industrial systems.













