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Andy Bechtolsheim and Jayshree Ullal discuss Arista Networks and Cloud Computing

7048T-A Switch

Data Center Class Gigabit Ethernet Switch

Positioned for server access, the Arista 7048T-A is a wire-speed layer 2/3 switch with 48 1000 Mbps ports and four 1/10Gb Ethernet uplinks delivering up to 40 gigabits of interconnect capacity from the leaf to the spine layer of the network. Running the Arista Extensible Operating System (EOS), the 7048 provides automated switch and network provisioning through its Zero Touch Provisioning (ZTP) and vmTracer features. Unlike typical top-of-rack switches on the market today, the Arista 7048T-A switch offers unprecedented buffering capability on every port in combination with a purpose built architecture for congestion management.

High-Performance Gigabit Ethernet Access

  • Non-Blocking 48 1000 Mbps (RJ-45) & four 1/10GbE uplinks (SFP+)
  • Layer 2/3 switching up to 176 Gbps and 120 Mpps
  • 40 gigabits of interconnect capacity from leaf to the spine

Deep Buffer Architecture

  • 768 MB of packet memory
  • All ports can simultaneously buffer up to 50ms of traffic
  • Fair allocation of bandwidth with 8 virtual output queues per port for congestion mgmt

Arista EOS™

  • Extensible operating system customizable to customer needs
  • Fine-grain modular protected memory architecture
  • Access to Linux tools

High Availability

  • In-service-software-upgrades (ISSU)
  • Self-healing stateful fault repair (SFR)
  • Hot swappable, redundant power supplies and fans

Automated switch and network provisioning

  • Zero Touch Provisioning (ZTP) simplifies switch deployment
  • vmTracer agent automatically provisions and reconfigures VLANs for vmWare's vSphere data center Hypervisors

Datacenter Optimized

  • 1 rack unit (RU)
  • Front-to-rear and reversible airflow options for flexible mounting
  • Power efficient: 174W typical
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