7500R Series - Arista Networks

Arista 7500R Series Universal Spine and Cloud Networks

Designed for large virtualized and cloud networks the Arista 7500R Series modular switches are the industry’s highest performance universal spine switches. They combine 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 rich choice of systems and line cards to support lasting investment protection.

The 7500R Series enables highly scalable cloud network designs with MLAG, ECMP, and VXLAN technologies.

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

Arista AlgoMatch™ enables more flexible access controls with expanded scale across more fields with full capacity while providing additional capabilities for filtering. AlgoMatch is also the enabler for increased network telemetry using sFlow to sample traffic at hundreds of gigabits per second per line card.

High-Performance Universal Spine

• Non-blocking 150Tbps of system capacity
• High-density 10/25/40/50/100G ethernet
• 576 wire-speed 100G ports
• Ultra-deep buffers up to 24GB per line card\
• Class-leading latency of 3.5usec
• 9.6Tbps of fabric capacity per line card\
• 13,824 Virtual Output Queues per port to eliminate the head of line blocking
• 200G and 400G ready

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

Scalable Cloud Designs

• Comprehensive L2 and L3 feature sets
• Internet-scale IPv4 and IPv6 forwarding tables
• Up to 69Bpps of wire-speed forwarding
• CloudVision provisioning and automation
• VXLAN for next-generation DC
• LANZ for microburst detection
• Accelerated sFlow for high capacity network security and application monitoring

Arista 7500R Series Technical Specifications

The Arista 7500R Series of modular switches deliver the industry’s highest performance with 150Tbps of system throughput to meet the needs of the largest scale data centers. With a choice of systems, the 7500R Series provides four, eight, twelve, or sixteen 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.

System Comparisons:

Available in compact system design, as a choice of 16, 12, 8, and 4 slots, the Arista 7500R Series enables a full range of wire-speed ports from 1G to 100G. It lowers the total cost of ownership as it is designed to be efficient with power per port as low as 25W per 100GbE port which combined with front to rear cooling to optimize the data center environment produces the most reliable, dense, and power-efficient modular switch.

The 7500R modular chassis can accommodate a combination of the 7500E line cards or 7500R line cards providing a rich choice of density and speed:

7500R Line Cards Comparison:

The 7500R 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. Every 100GbE interface supports a choice of 5 speeds including 25G and 50G providing unparalleled flexibility and the ability to seamlessly transition data centers to the next generation of Ethernet performance.

	7500R-36CQ	7500R-36Q	7500R-48S2CQ
Ports	36 x 100G QSFP	30 x 40G / 6 x 100G	48x 10G and 2x 100G
Max 100GbE	36	6	2
Max 50GbE	72	12	4
Max 40GbE	36	36	2
Max 25GbE	144	24	8
Max 10GbE	144	96	56 (48+8)
Port Buffer	24GB	8GB	4GB
Switching Capacity	3.6 Tbps	1.8 Tbps	680 Gbps
Forwarding Rate	4.32 Bpps	1.4 Bpps	720 Mpps
AlgoMatch	No	No	No
Accelerated sFlow	No	No	No

7500R2 Line Cards:

	7500R2A-36CQ	7500R2-36CQ	7500R2AK-48YCQ
Ports	36 x 100G QSFP	36 x 100G QSFP	48x 10G and 2x 100G
Max 100GbE	36	36	2
Max 50GbE	72	72	4
Max 40GbE	36	36	2
Max 25GbE	144	144	20 (12 + 8)
Max 10GbE	144	144	56 (48 + 8)
Port Buffer	16GB	16GB	4GB
Switching Capacity	3.6 Tbps	3.6 Tbps	860 Gbps
Forwarding Rate	3.34 Bpps	3.34 Bpps	837 Mpps
AlgoMatch	Yes	No	Yes
Accelerated sFlow	Yes	No	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 7500R line cards enable scalable and high-performance data center solutions.

Scalability:

Each 7500R 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.

Arista 7500R Series Technical Architecture

The Arista 7500R Series is designed with the latest in switching silicon and software.

The Arista 7500 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 7500 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.

7500R Architecture Advantages:

• Investment protection - backward and forward line card compatibility
• Consistent 7500 Series architecture ensures seamless migrations
• Distributed packet processor scales forwarding capacity linearly
• FlexRoute technology for Internet route table scale with low power draw
• System-wide health monitoring
• Dynamic deep buffers for the most demanding traffic scenarios
• Virtual Output Queues avoid head of line blocking
• Cell-based fabric for 100% efficiency and consistent low latency and jitter
• Fabric N+1 redundancy for no performance degradation
• QoS Fabric fairness - no hot-spots 

100G MACsec

Bulk data encryption at scale, high performance, and cost-effectively is a major challenge for cloud data centers. The Arista MACsec solution is integrated into a 7500R Series 36 port 100G line card offering high port density and secure performance at an efficient cost point. The 7500R MACsec solution is fully compatible with all other 7500R Series line cards and utilizes proven encryption technology to protect traffic for simple and scalable data center interconnect. In addition to a choice of pluggable 100G optics, it can be used to secure links between tiers in leaf and spine data center designs.

Standards-based IEEE 802.1AE (MAC Security standard, referred to as MACsec) capabilities provide line-rate frame encryption and authentication. This ensures confidentiality as well as providing anti-replay protection and therefore confidence in the integrity of encrypted traffic.

Key Benefits:

• High-density MACsec solution for Cloud Data Centers integrated with 7500R for highest density and performance in a modular platform
• Cost and performance optimized for Data Center Interconnect (DCI) and Leaf-Spine connections to securely transport massive volumes of traffic
• Secure transport of data over distance with MACsec encryption eliminating additional intermediate devices

Key Features:

• 36 port 100G line card delivers a full 7.2Tb of bandwidth
• Delivers up to 4.32 Billion packets per second of wire speed L2 and L3 IP forwarding
• Internet-scale IPv4 and IPv6 forwarding tables
• Compatible with all 10G, 40G, and 100G line cards for 7500R Series
• IEEE 802.1AE MACsec 100G encryption on all ports
• Pluggable 100G QSFP optics for pay as you grow expansion
• 24GB of deep buffer packet memory and Virtual Output Queue architecture to eliminate the head of line blocking and packet drops due to congestion

200G DWDM

The Arista 100G/200G DWDM solution is integrated into a 7500R Series line card offering high-density with an uncompromised performance at an efficient cost point. It utilizes state of the art coherent optical technology to enable simple, reliable, and scalable data center interconnect solutions for both metro and long haul applications with flexible support for 100G, 150G, and 200G modes.

Key Benefits:

• High-density DWDM solution for Cloud Data Centers integrated with 7500R for highest density DCI with wire-speed performance
• Cost and performance optimized for Data Center Interconnect to transport massive volumes of traffic through metro or long haul networks over 5,000kms
• Secure transport of data over distance with MACsec encryption eliminating additional intermediate devices
• 16QAM 200G mode doubles fiber capacity at up to 1,000km for 19.2Tb per fiber link
• Ethernet over DWDM: Transparent to Layer2 and Layer3 applications
• Supports Flex Grid operation for future expansion

Key Features:

• 8 port 200G Coherent DWDM line card delivers full 1600G of bandwidth
• Integrated multi-modulation formats for DP-QPSK, 8-QAM, and 16-QAM, with coherent detection and soft-decision forward error-correction (SD-FEC)
• Analog Coherent CFP2 (ACO-CFP2) pluggable optics for pay as you grow scalability
• Tunable 200G CFP2 optics for 96 channels at 50GHz spacing and 19.2Tbps per fiber pair
• IEEE 802.1AE MACsec encryption on all ports
• Robust Optical signal to noise ratio (OSNR) and Chromatic dispersion (CD) tolerance
• Delivers up to 2 Billion packets per second of wire speed L2 and L3 IP forwarding
• 12GB of packet memory for deep per port packet buffering 

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.