Overview

The Arista DCS-7050SX-72Q-R is a high-performance, low-latency data center switch designed for high-density 10/40GbE environments. This switch is part of Arista's 7050X series, built for cloud data centers, enterprise networks, and service providers needing advanced networking features. The Arista DCS-7050SX-72Q-R switch is a high-performance option for data centers requiring dense 10GbE and 40GbE port configurations, along with advanced Layer 2 and Layer 3 networking capabilities. Below are the detailed specifications:

Series: Arista 7050X Series

Form Factor: 1 RU (Rack Unit)

Cooling: Front-to-back airflow (denoted by the "R" in the model)

Port Configuration:

Total Ports:

48 x 10GbE SFP+ ports

6 x 40GbE QSFP+ ports

Flexible Port Configuration:

The 40GbE QSFP+ ports can be broken out into 4 x 10GbE ports, providing up to 72 x 10GbE ports.

Each 40GbE port supports 40GBASE-SR4, LR4, and various 40GbE QSFP+ optics.

Performance:

Switching Capacity: 1.44 Tbps (Terabits per second).

Forwarding Rate: 1.07 Bpps (Billion packets per second).

Latency: As low as 550ns for Layer 2 and Layer 3 forwarding.

Buffering:

Packet Buffer: 12 MB shared packet buffer.

Layer 2 and Layer 3 Features:

Layer 2:

VLAN support (802.1Q) with up to 4,096 VLANs.

Link Aggregation (LACP 802.3ad) and MLAG (Multi-Chassis Link Aggregation).

STP (Spanning Tree Protocol), RSTP, and MSTP.

Jumbo Frames support (up to 9216 bytes).

Layer 3:

OSPF, BGP, IS-IS, and RIP routing protocols.

Support for IPv4 and IPv6 unicast and multicast routing.

VRF (Virtual Routing and Forwarding) for network segmentation.

ECMP (Equal-Cost Multi-Path) routing with up to 128-way paths.

Advanced Features:

VXLAN: Supports VXLAN for network virtualization with hardware-based VXLAN routing.

QoS (Quality of Service):

Supports 8 hardware queues per port.

Advanced QoS with traffic classification, marking, policing, and shaping.

Security:

MACsec (802.1AE) encryption support for secure communication.

Access Control Lists (ACLs) for Layer 2 to Layer 4 traffic filtering.

Power and Environmental:

Power Supply: Dual hot-swappable, redundant power supplies.

Typical Power Consumption: Approximately 280W (varies depending on configuration).

Cooling: Front-to-back airflow with hot-swappable fans.

Operating Temperature: 0°C to 40°C (32°F to 104°F).

Operating Humidity: 5% to 95%, non-condensing.

Physical Dimensions:

Dimensions: 1.72 inches (4.4 cm) height x 19 inches (48.26 cm) width x 18 inches (45.72 cm) depth.

Weight: 21 pounds (9.5 kg).

Management and Monitoring:

Management:

CLI (Command-Line Interface) via SSH and console.

Web-based GUI (optional with Arista CloudVision).

SNMPv2/v3, Syslog, and sFlow for monitoring and management.

Supports automation tools and APIs like NETCONF, JSON-RPC, and EOS SDK.

Monitoring:

Advanced telemetry and real-time monitoring features.

Arista’s Extensible Operating System (EOS) with features like ZTP (Zero Touch Provisioning) and Event Monitor.

Use Cases:

Data Center Spine/Leaf Architectures: Provides high-density 10GbE and 40GbE connectivity with low latency, making it suitable for large-scale cloud and enterprise data centers.

High-Performance Computing (HPC): Low-latency switching and high throughput for compute-intensive environments.

Cloud and Virtualized Environments: VXLAN support and extensive programmability make it ideal for cloud and virtualization use cases.

Key Features:

High Port Density: Provides up to 72 ports of 10GbE connectivity in a compact 1RU design.

Scalability: With support for MLAG, VXLAN, and ECMP, the switch is highly scalable for modern data centers.

Low Latency: Ultra-low latency (as low as 550ns) suitable for latency-sensitive applications like financial trading.