DCS-7020SR-32C - Arista Networks

The Arista DCS-7020SR-32C is part of Arista Networks' 7000 series, specifically designed for high-density, high-performance networking in data centre environments. It is typically used for cloud, enterprise, and high-frequency trading (HFT) applications, providing low latency and high throughput.

Here's a quick overview of the key features of the Arista DCS-7020SR-32C:

Key Features:

• Form Factor: 1U Rackmount

• Ports: 32 x 100GbE (QSFP28) ports

• Switching Capacity: 6.4 Tbps (Terabits per second)

• Forwarding Rate: 4.77 Bpps (Billion packets per second)

• Latency: Extremely low latency (around 350ns typical)

• Power Consumption: Approximately 150-200W (depends on load and configuration)

• Operating System: Runs Arista's EOS (Extensible Operating System), a highly programmable and flexible software platform designed for the demands of modern data centres.

• Layer 2 and Layer 3 Support: It provides both Layer 2 switching and Layer 3 routing capabilities, supporting various routing protocols like OSPF, BGP, and VXLAN for network virtualisation.

• Programmability: As part of the Arista EOS ecosystem, it allows for deep programmability and automation, with integrations to DevOps tools such as Ansible, Chef, and Puppet.

Use Cases:

• High-Density Data Centres: The DCS-7020SR-32C is ideal for data centres with dense server deployments, as it provides 100GbE connectivity for servers or other switches.

• Cloud Networking: It is suited for cloud environments that demand low-latency, high-throughput, and scalability.

• Interconnection and Aggregation: It can be used for high-speed interconnection between different parts of a data centre or as an aggregation layer switch in large networks.