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7500R3 Series

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7500R Series - Arista Networks


  

 

Arista 7500R3 Series Universal Spine and Cloud Networks


Designed for the next generation of large-scale virtualized and cloud networks the Arista 7500R3 Series modular switches are the 3rd generation of the 7500R Series universal spine switches. They combine 400G and 100G density with internet scale table sizes and comprehensive L2 and L3 features. Advanced EOS features for network monitoring, precision timing, VXLAN network virtualization, and EVPN are combined with extensive hardware resources with a wide choice of systems and line cards to support lasting investment protection.

 

7500R3 Series - Arista Networks 

 

The 7500R3 Series enables highly scalable network designs with Segment Routing, MLAG, ECMP, EVPN, and VXLAN technologies.

 

The Arista 7500R3 Series FlexRoute™ engine and EOS NetDB provide the scalability to support the Internet IP routing scale with the low power consumption and fast convergence while scaling to millions of routes.

Arista Algorithmic ACLs enables flexible high scale access controls with expanded pattern matching, combined with sFlow sampling of all interfaces at the full forwarding capacity while providing additional capabilities for filtering.

 

 

7500R3 Architecture Advantages:

 

  • Investment protection - backward and forward line card compatibility
  • Consistent 7500R3 Series architecture ensures seamless migrations
  • Distributed packet processor scales forwarding capacity linearly
  • FlexRoute™ for Internet route table scale with low power draw
  • Flexible pipeline for programmable features including Algorithmic ACLs and Inband Network Telemetry
  • System-wide health monitoring
  • High bandwidth intelligent and dynamic deep buffers for the most demanding traffic scenarios
  • Virtual Output Queues avoid head of line blocking
  • Cell-based fabric with redundancy for 100% efficiency and consistent low latency and jitter
  • Optimized multicast forwarding
  • Comprehensive counters with up to 16 classifications per flow for real-time monitoring and troubleshooting
  • QoS Fabric fairness - no hot-spots with fabric mirroring enhancements

 

High-Performance Universal Spine

 

  • Non-blocking 230Tbps of system capacity
  • High-density 10/25/40/50/100/400G Ethernet
  • 288 wire-speed 400G ports
  • Ultra-deep buffers up to 16GB per line card
  • Class-leading latency of 3.5usec
  • 9.6Tbps of fabric capacity per line card
  • Virtual Output Queues per port and CoS to eliminate the head of line blocking

 

Arista EOS

 

  • Single binary image
  • Fine-grained truly modular network OS
  • The scalable control plane for internet peering
  • Extensible platform - bash, python, C++, GO, OpenConfig
  • Resilient self-healing software
  • Rich Streaming Telemetry solutions
  • Over 10 Years of EOS innovations and experience with the R-Series Architecture

 

Scalable Cloud and Service Provider Designs

 

  • Comprehensive switching and routing feature set with rapid convergence
  • Segment Routing and EVPN Services for IX Providers and Cloud WAN
  • IPv4 and IPv6 Overlay and Underlay support
  • Internet-scale IPv4 and IPv6 forwarding tables up to 2.5M routes
  • Large scale IPv4 / IPv6, ACLs, and QoS with flexible profiles
  • Up to 48Bpps of wire-speed forwarding
  • CloudVision® provisioning and automation
  • VXLAN and 256-way multi-pathing for next-generation DC
  • LANZ for microburst detection
  • Accelerated sFlow for high capacity network security and application monitoring
  • Inband Network Telemetry for flow and packet forensics at scale
  • CloudVision for Workflow Automation and Orchestration

 

 

Arista 7500R3 Series Specifications


The Arista 7500R3 Series of modular switches deliver the industry’s highest performance with 230Tbps of system throughput to meet the needs of the largest scale data centers. With a choice of systems, the 7500R Series provides four, eight or twelve-line card modules, two supervisor modules, and six fabric modules. Designed for continuous operations and with system-wide monitoring of hardware and software components, simple serviceability, and provisioning to prevent single points of failure the hardware architecture supports high-availability with hot-swap of all components.

 

Arista 7500R3 Series Architecture


The Arista 7500R3 Series leverages a deep buffer virtual output queue (VOQ) architecture that is 100% efficient, eliminates head-of-line (HOL) blocking, and virtually eliminates packet drops even in the most congested network scenarios. An advanced traffic scheduler fairly allocates bandwidth between all virtual output queues while accurately following queue disciplines including weighted fair queuing, fixed priority, or hybrid schemes. As a result, the Arista 7500R3 Series can handle the most demanding data center requirements with ease, including mixed traffic loads of real-time, multicast, and storage traffic while still delivering low latency.

 

7500R3 System Comparisons:


Available in compact system design, as a choice of 12, 8, and 4 slots, the Arista 7500R3 Series enables a full range of wire-speed ports from 10G to 400G. It lowers the total cost of ownership as it is designed to be efficient with power per port as low as 25W per 400G port which combined with front to rear cooling to optimize the data center environment produces the most reliable, dense, and power-efficient modular switch.

 

 

Arista 7500R3 Series

System Performance
 

7512R3

7516R Specifications

7508R3

7512R Specifications

7504R3

7508 Specifications

Description Delivers high density, low power non-blocking Ethernet switching system. Delivers high density, low power non-blocking Ethernet switching system. Optimum form-factor for many mid-size deployments.
Switching Capacity 230Tbps 153Tbps 76.8Tbps
Linecard Capacity 9.6 Tbps 9.6 Tbps 9.6 Tbps
10G Interfaces 2304 1536 768
25G Interfaces 2304 1536 768
40G Interfaces 432 288 144
50G Interfaces 2304 1536 768
100G Interfaces 432 288 144
400G Interfaces 288 192 96
Forwarding Rate 48 Bpps 32 Bpps 16 Bpps
Total Buffer 96GB 64GB 32GB
Rack Units 18 13 7
Airflow Front to Rear Front to Rear Front to Rear
The 7500R3 modular chassis can accommodate a combination of the 7500R line cards providing a rich choice of density and speed:

 

 

7500R3 Line Cards Comparison:

The 7500R3 Series offers a broad choice of line cards with a choice of speed and density options up to 36 ports of wire-speed 100G and 40G, or 24 ports of 400G. Every 400G interface supports a choice of speeds including 25G and 50G providing unparalleled flexibility and the ability to seamlessly transition data centers to the next generation of Ethernet performance.

 

 7500R3-24P
7500R3-24P
7500R3-24D
7500R3-24P
7500R3-36CQ
7500R3-36CQ
7500R3K-36CQ
7500R3-36CQ
Ports 24 400G OSFP 24 400G QSFP-DD 36 100G QSFP 36 100G QSFP
Max 400G 24 24 
Max 100G 96 96 36 36 
Max 50G 192 192 72 72 
Max 40G - - 36 36
Max 25G 192 192 96 96 
Max 10G 192 192 96 96 
Port Buffer 16GB 16GB 8GB 8GB 
Switching Capacity 9.6 Tbps 9.6 Tbps 3.6 Tbps 3.6 Tbps 
Forwarding Rate 4Bpps 4Bpps 2Bpps 2Bpps 
Algorithmic ACLs Yes Yes Yes Yes
Accelerated sFlow Yes Yes Yes Yes 
Combined with the highly modular, robust Extensible Operating System (EOS), a dynamic smart deep buffer architecture with virtual output queuing for lossless forwarding, low latency, and wire-speed performance, the Arista 7500R3 line cards enable scalable and high-performance data center solutions.

 

Scalability:

Each 7500R3 Series line card delivers a consistent set of features supporting layer 2 and layer 3 data center designs with predictable and linear scaling. Arista's FlexRoute Engine enables full Internet routing coupled with support for a variety of IP/MPLS/VXLAN protocols.

 

Ports 

7500R3 Series

7500R3K Series
ProfileBalanced L3 BalancedL3 L2 
MAC Addresses 448K 128k 736K 160K 1.4M
IPv4 Host Routes 896K 256K  1.4M  320K  2.8M 
IPv6 Unicast Host Routes 224K 64K  368K  80K  736K 
IPv4 Unicast LPM Routes 704K 1.3M 1.2M 2.5M 128K
IPv6 Unicast LPM Routes 235K 440K 411K 821K 42K
Multicast Routes 448K 128K 736K  160K  1.4M 
ACL Entries 24K 24K  24K  24K  24K 
Maximum ECMP 256-Way 256-Way  256-Way  256-Way  256-Way 

 

 

Have more questions about Arista Networks Cloud Switching and Routing products and solutions? Call us at 410-583-1701 or email us at questions@pulsesupply.com.