Arista 7500R3 Series High-Performance Modular Switches
Overview
The Arista 7500R3 Series represents a breakthrough in high-density, high-performance, and energy-efficient modular data center switches. Designed for the most demanding cloud, big data, and high-performance computing environments, the 7500R3 Series offers up to 230 Tbps of switching capacity, supporting a wide range of port speeds from 10GbE to 400GbE.
These switches are built on a flexible architecture that supports advanced routing, deep buffering, and a rich set of features powered by Arista EOS (Extensible Operating System). They are ideal for spine-leaf architectures, data center interconnects, and campus core networks.
Key Features and Technologies
- High Performance: Up to 230 Tbps switching capacity and 48 Billion packets per second (Bpps) forwarding rate.
- Arista EOS: A robust, modular, and feature-rich network operating system providing advanced automation, programmability, and visibility.
- CloudVision: A cloud-native network management and telemetry platform for network-wide visibility, automation, and analytics.
- Advanced Routing: Support for OSPF, OSPFv3, BGP, MP-BGP, IS-IS, RIPv2, and 512-way ECMP.
- VXLAN and EVPN: Comprehensive support for VXLAN overlay networks with EVPN control plane for scalable L2/L3 connectivity.
- FlexRoute: Advanced routing capabilities enabling large-scale routing tables and custom forwarding plane programmability.
- sFlow (RFC 3176): Real-time traffic monitoring and analysis.
- INT (In-band Network Telemetry): Provides granular network visibility and troubleshooting capabilities.
- MLAG (Multi-Chassis Link Aggregation): Active-active L2 forwarding for high availability and increased bandwidth.
- Deep Buffering: Large buffer capacity (e.g., 16GB) to handle micro-bursts and congestion.
- Zero Touch Provisioning (ZTP): Simplifies network deployment and configuration.
- VM Tracer: Integration with virtualization platforms like VMware NSX and Microsoft OMI for VM-aware networking.
- Power Efficiency: Optimized power consumption, with models supporting both AC and DC power supplies.
- Programmability: Support for eAPI, Python, Bash, and OpenConfig for network automation.
Chassis and Models
The Arista 7500R3 Series offers a modular chassis design with different slot counts to meet varying density and performance requirements.
| Model | Slots | Chassis Height (RU) | Max 400GbE Ports | Max 100GbE Ports | Max Throughput | Max Packet Rate | Typical Weight |
|---|---|---|---|---|---|---|---|
| DCS-7512N / DCS-7512R3 | 12 | 18 RU | 288 (400GbE) | 576 (100GbE) | 230 Tbps | 48 Bpps | ~84 kg (185 lbs) |
| DCS-7508N / DCS-7508R3 | 8 | 13 RU | 192 (400GbE) | 384 (100GbE) | 153 Tbps | 32 Bpps | ~43.1 kg (95 lbs) |
| DCS-7504N / DCS-7504R3 | 4 | 7 RU | 96 (400GbE) | 192 (100GbE) | 76.8 Tbps | 16 Bpps | ~34.7 kg (76.5 lbs) |
Note: Specific port configurations depend on the line cards installed.
Port Configurations and Performance
The 7500R3 Series supports a variety of high-speed interfaces through its line cards.
Line Card Options (Examples)
| Model | Port Configuration | Supported Speeds | Buffer Size | Weight |
|---|---|---|---|---|
| DCS-7500R3-36CQ | 36 x 100GbE QSFP100 | 100GbE, 50GbE, 25GbE, 10GbE | 8 GB | ~8.1 kg (17.75 lbs) |
| DCS-7500R3-24P | 24 x 400GbE OSFP | 400GbE, 200GbE, 100GbE, 50GbE, 25GbE, 10GbE | 16 GB | ~8.6 kg (19 lbs) |
| DCS-7500R3-24D | 24 x 400GbE QSFP-DD | 400GbE, 200GbE, 100GbE, 50GbE, 25GbE, 10GbE | 16 GB | ~9.1 kg (20 lbs) |
Performance Metrics
| Metric | 7512R3 | 7508R3 | 7504R3 |
|---|---|---|---|
| Max Throughput | 230 Tbps | 153 Tbps | 76.8 Tbps |
| Max Packet Rate | 48 Bpps | 32 Bpps | 16 Bpps |
| MAC Entries | 448K | 288K | 144K |
| IPv4 LPM Entries | 1.3M | 896K | 448K |
| IPv6 LPM Entries | 650K | 448K | 224K |
| ACL Entries | 100,000 | 100,000 | 100,000 |
| ECMP Paths | 256-way | 256-way | 256-way |
Hardware and System Specifications
CPU and Memory
- CPU: x86 CPU
- DRAM: 32GB
- Storage: SSD for OS and logs
Supervisor Modules
The 7500R3 Series utilizes supervisor modules for control plane and management functions.
| Model | CPU | DRAM | Storage | Dimensions (WxHxD) | Weight | Supported Chassis |
|---|---|---|---|---|---|---|
| DCS-7500-SUP2 | 1.9GHz x86 | 32GB | 2 x 120GB SSD | 21.6 x 4.4 x 58.4 cm (8.5" x 1.75" x 23") | 2.4 kg (5 lbs) | 7512N, 7508N, 7504N |
| DCS-7500-SUP2-D | 1.9GHz x86 | 32GB | SSD (for logs/diagnostics) | 21.6 x 4.4 x 58.4 cm (8.5" x 1.75" x 23") | 2.4 kg (5 lbs) | 7512N, 7508N, 7504N |
Power and Cooling
Power Supplies
The 7500R3 Series supports redundant, hot-swappable power supplies for high availability.
| Model | Input Voltage | Max Output Power | Efficiency | Dimensions (WxHxD) | Weight |
|---|---|---|---|---|---|
| PWR-3KT-AC-RED | 200-240V AC, 16A (20A UL) | 3000W | 96% | 7.0 x 10.5 x 29.6 cm (2.75" x 4.13" x 11.65") | 2.49 kg (5.5 lbs) |
| PWR-3K-DC-RED | -48V to -60V DC, 80A | 3000W | 0.9 (Power Factor) | 7.0 x 10.5 x 29.6 cm (2.75" x 4.13" x 11.65") | 2.49 kg (5.5 lbs) |
Redundancy: N+N or N+1 power supply configurations are supported.
Cooling
The chassis features fan modules for efficient cooling. Fan modules are hot-swappable.
Environmental, EMC, and Compliance
Environmental Specifications
- Operating Temperature: 0 to 40°C (32 to 104°F)
- Storage Temperature: -40 to 70°C (-40 to 158°F)
- Operating Humidity: 5% to 90% non-condensing
- Altitude: 0 to 3,000m (0 to 10,000ft)
EMC and Safety Compliance
The Arista 7500R3 Series complies with various international standards:
- EMC: FCC Part 15 Class A, EN55022, EN61000-3-2, EN61000-3-3, EN61000-3-11, EN61000-3-12, EN55024, EN300 386
- Safety: UL/CSA 60950-1, EN 60950-1, IEC 60950-1, CB Scheme (NRTL)
- Certifications: BSMI (Taiwan), C-Tick (Australia), CCC (PRC), MSIP (Korea), EAC (Russia), VCCI (Japan)
- Regulatory Directives: 2006/95/EC (Low Voltage), 2004/108/EC (EMC), 2011/65/EU (RoHS), 2012/19/EU (WEEE)
Optics and Cabling
The 7500R3 Series supports a wide range of optical transceivers and direct attach cables for various connectivity needs.
400GbE Optics
| Type | Description | Reach |
|---|---|---|
| OSFP | 400GBASE-CR8 (Copper) | 0.5m-3m |
| OSFP | 400GBASE-AOC (Active Optical Cable) | 3m-30m |
| OSFP | 400GBASE-SR8 (Multi-Mode Fiber) | 100m |
| OSFP | 400GBASE-DR4 (Single-Mode Fiber) | 500m |
| OSFP | 400GBASE-FR4 (Single-Mode Fiber) | 2km |
| OSFP | 400GBASE-2FR4 (Single-Mode Fiber) | 2km |
| OSFP | 400GBASE-LR4 (Single-Mode Fiber) | 10km |
| QSFP-DD | 400GBASE-CR8 (Copper) | 0.5m-2.5m |
| QSFP-DD | 400GBASE-AOC (Active Optical Cable) | 3m-30m |
| QSFP-DD | 400GBASE-SR8 (Multi-Mode Fiber) | 100m |
| QSFP-DD | 400GBASE-DR4 (Single-Mode Fiber) | 500m |
| QSFP-DD | 400GBASE-FR4 (Single-Mode Fiber) | 2km |
| QSFP-DD | 400GBASE-2FR4 (Single-Mode Fiber) | 2km |
| QSFP-DD | 400GBASE-LR4 (Single-Mode Fiber) | 10km |
| Breakout Cables | QSFP-DD ~ 2xQSFP or 4xQSFP | 1m-2.5m |
| Breakout Cables | OSFP ~ 2xQSFP or 4xQSFP | 1m-3m |
100GbE Optics
| Type | Description | Reach |
|---|---|---|
| QSFP100 | 100GBASE-SR4 (Multi-Mode Fiber) | 70m OM3 / 100m OM4 |
| QSFP100 | 100GBASE-SWDM4 (Multi-Mode Fiber) | 70m OM3 / 100m OM4 |
| QSFP100 | 100GBASE-SRBD (Multi-Mode Fiber) | 70m OM3 / 100m OM4 |
| QSFP100 | 100GBASE-PSM4 (Single-Mode Fiber) | 500m SMF |
| QSFP100 | 100GBASE-LR4 (Single-Mode Fiber) | 10km SM |
| QSFP100 | 100GBASE-LRL4 (Single-Mode Fiber) | 2km SM |
| QSFP100 | 100GBASE-CWDM4 (Single-Mode Fiber) | 2km SM |
| QSFP100 | 100GBASE-ERL4 (Single-Mode Fiber) | 40km SM |
| QSFP100 | 100GBASE-AOC (Active Optical Cable) | 1m~30m |
| QSFP100 | 100GBASE-CR4 (Copper) | QSFP ~ QSFP: 1m-5m |
| QSFP25 | 25GBASE-CR (Copper) | QSFP ~ SFP25: 1m-3m |
40GbE Optics
| Type | Description | Reach |
|---|---|---|
| QSFP+ | 40GBASE-CR4 (Copper) | QSFP+ ~ QSFP+: 0.5m-5m |
| QSFP+ | 40GBASE-AOC (Active Optical Cable) | 3m-100m |
| QSFP+ | 40GBASE-UNIV | 150m (OM3) / 150m (OM4), 500m (SM) |
| QSFP+ | 40GBASE-SRBD (Multi-Mode Fiber) | 100m (OM3) / 150m (OM4) |
| QSFP+ | 40GBASE-SR4 (Multi-Mode Fiber) | 100m (OM3) / 150m (OM4) |
| QSFP+ | 40GBASE-XSR4 (Multi-Mode Fiber) | 300m (OM3) / 400m (OM4) |
| QSFP+ | 40GBASE-PLRL4 (Single-Mode Fiber) | 1km (4x10G LR/LRL) |
| QSFP+ | 40GBASE-PLR4 (Single-Mode Fiber) | 10km (4x10G LR/LRL) |
| QSFP+ | 40GBASE-LRL4 (Single-Mode Fiber) | 1km |
| QSFP+ | 40GBASE-LR4 (Single-Mode Fiber) | 10km |
| QSFP+ | 40GBASE-ER4 (Single-Mode Fiber) | 40km |
Software Licenses
Arista offers various software licenses to enable advanced features and capabilities.
Routing Licenses
- LIC-MOD-1-E: Enables 4 routing protocols (OSPF, BGP, ISIS, PIM)
- LIC-MOD-2-E: Enables 8 routing protocols
- LIC-MOD-3-E: Enables 12 routing protocols
Virtualization and Overlay Licenses
- LIC-MOD-1-V: Enables VM Tracer and VXLAN for 4 ports
- LIC-MOD-2-V: Enables VM Tracer and VXLAN for 8 ports
- LIC-MOD-3-V: Enables VM Tracer and VXLAN for 12 ports
- LIC-MOD-1-V2: Arista EOS advanced features for 4 ports
- LIC-MOD-2-V2: Arista EOS advanced features for 8 ports
- LIC-MOD-3-V2: Arista EOS advanced features for 12 ports
Automation and Visibility Licenses
- LIC-MOD-1-Z: Enables ZTP, LANZ, API, TapAgg for 4 ports
- LIC-MOD-2-Z: Enables ZTP, LANZ, API, TapAgg for 8 ports
- LIC-MOD-3-Z: Enables ZTP, LANZ, API, TapAgg for 12 ports
Advanced Feature Licenses (FlexRoute)
- LIC-MOD-1-FLX: Arista FlexRoute for 4 ports (2M routes, >24K ACLs, EVPN, VXLAN, SR, MPLS)
- LIC-MOD-2-FLX: Arista FlexRoute for 8 ports
- LIC-MOD-3-FLX: Arista FlexRoute for 12 ports
- LIC-MOD-1-FLX-L: Arista FlexRoute-Lite for 4 ports (256K routes, EVPN, VXLAN, SR, MPLS)
- LIC-MOD-2-FLX-L: Arista FlexRoute-Lite for 8 ports
- LIC-MOD-3-FLX-L: Arista FlexRoute-Lite for 12 ports
Contact Information
For sales, support, and more information, please contact Arista Networks:
Arista Networks, Inc.5453 Great America Parkway
Santa Clara, California 95054
USA
Phone: 408-547-5500
Sales:
sales@arista.com
408-547-5501
866-497-0000
Support:
support@arista.com
408-547-5502
866-476-0000
Website: www.arista.com
© 2019 Arista Networks, Inc. All rights reserved. Arista, Arista logo, and EOS are trademarks of Arista Networks, Inc.
