Arista 7300 Series
Includes 7316 chassis, 6 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor (F-R)
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Includes 7316 chassis, 6 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor with SSD (F-R)
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Includes 7316 chassis, 6 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor (R-F)
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Overview:
The Arista 7300 Series modular switches are part of the Arista portfolio of data center switches. The 7300 Series with 7300X Series line cards increase flexibility and scalability for data center switches supporting both leaf and spine and SplineTM applications for collapsed end of row and aggregation. The 7300X systems share a common architecture with the Arista 7050X and 7250X Series and offer a choice of three modular systems, a 4-slot, 8-slot and 16 slot that support advanced features for network monitoring, precision timing and network virtualization to deliver scalable high performance for software defined cloud networking.
Increased adoption of 10 Gigabit Ethernet servers and applications requiring higher bandwidth is driving rapid adoption of 10 and 40 Gigabit Ethernet switching. The 7300 Series support a choice of high density line cards in combination with wire speed layer 2/3/4 performance that provides a flexible combination of 100M, 1G, 10G and 40G switching to design large leaf and spine networks for scale-out of east-west traffic patterns with low latency and power efficiency.
With reversible front-to-rear or rear-to-front airflow, redundant and hot swappable supervisor, power, fabric and cooling modules the system is purpose built for data centers. The 7300 Series is energy efficient with typical power consumption of under 3 watts per 10GbE port for a fully loaded chassis. All of these attributes make the Arista 7300 Series an ideal platform for building reliable, low latency, resilient and scalable data center networks. Combined with Arista EOS the 7300 Series delivers advanced features for big data, cloud, virtualized and traditional designs.
Arista EOS
All Arista products including the 7300 Series runs the same Arista EOS software binary image simplifying network administration with a single standard across all switches. Arista EOS is a modular switch operating system with a unique state sharing architecture that cleanly separates switch state from protocol processing and application logic. Built on top of a standard Linux kernel, all EOS processes run in their own protected memory space and exchange state through an in-memory database. This multi-process state sharing architecture provides the foundation for in-service-software updates and self-healing resiliency together with stateful switchover without the loss of data plane forwarding.
Arista EOS enables advanced monitoring and automation capabilities such as Zero Touch Provisioning, LANZ, VM Tracer and Linux based tools to be run natively on the switch.
Product Highlights
Performance
High Availability
Cloud Networking Ready
Advanced Provisioning & Monitoring
|
Resilient Control Plane
Data Center Class Design
Arista Extensible Operating System
|
Features & Benefits:
Layer 2 Features
Layer 3 Features
Advanced Monitoring and Provisioning
|
Virtualization Support
Security Features
Quality of Service (QoS) Features
Network Management
Extensibility
|
Standards Compliance
SNMP MIBs
|
| Table Sizes | ||
|---|---|---|
| STP Instances | 64 (MST)/510 (RPVST+) | |
| IGMP Groups | 288K, with 8K unique groups | |
| ACLs | 4K to 128K | |
| Egress ACLs | 1K to 16K | |
| ECMP | 64-way, 1K groups | |
| Base Mode | UFT Modes | |
| MAC Addresses | 32K | 288K |
| IPv4 Hosts | 32K | 208K |
| IPv4 Routes - Unicast | 16K | 144K * |
| IPv4 Routes - Multicast | 16K | 104K |
| IPv6 Hosts | 16K | 104K |
| IPv6 Routes - Unicast | 8K /64, 4K /128 | 77K * |
| IPv6 Routes - Multicast | 4K | No Change |
Maximum values dependent on shared resources in some cases
Specifications:
Scaling Data Center Performance
The Arista 7300X Series delivers wire speed switching at layer 2 and layer 3 to enable dramatically faster and simpler network designs for data centers that lowers network capital and operational expenses. When used in conjunction with Arista 1G and 10G leaf switches and Arista’s Multi-Chassis Link Aggregation (MLAG) technology, a pair of 7300X Switches can support over 12,000 Servers with a leaf and spine active/active L2 network topology. A combination of 16 7300X in a spine at Layer 3 scales the network up to over 32K 10G Servers in a fully non-blocking, low-latency, two-stage network that provides predictable and consistent application performance. The flexibility of the L2 and L3 multi-path design options combined with support for open standards provides maximum flexibility, scalability and network wide virtualization. Arista EOS advanced features provides control, and visibility with single point of management.
Software Defined Cloud Networks
Arista Software Defined Cloud Networking (SDCN), combines the principles that have made cloud computing the unstoppable force that it is: automation, self service provisioning, and linear scaling of both performance and economics coupled with the trend in Software Defined Networking that delivers: network virtualization, custom programmability, simplified architectures, and lower capital expenditure. This combination creates a best-in-class software foundation for maximizing the value of the network to both the enterprise and service provider data center. A new architecture for the most mission-critical location within the IT infrastructure that simplifies management and provisioning, speeds up service delivery, lowers costs and creates opportunities for competitive differentiation, while putting control and visibility back in the hands of the network and systems administrators.
The Four Pillars of Arista's Software Defined Cloud Networking:
- Universal Cloud Network - scalable standards based MLAG at Layer 2, ECMP for Layer 3 and VXLAN for most flexibility
- Cloud Control - Standards based AEM, ZTP/ZTR, LANZ and DANZ
- Network Wide Virtualization - Multi-vendor API Support with eAPI, VXLAN and NSX, and other encapsulation techniques
- Network Applications and Automated Management - Network applications; single point of management and open - Openflow, Openstack, OpenVirtualSwitch and OVSDB
Dynamic Buffer Allocation
In cut-through mode, the Arista 7300X series switches forward packets with a latency of less than 2 usec. Upon congestion, the packets are buffered in shared packet memory that has a total size of 12 Mbytes. Unlike other architectures that have fixed per-port packet memory, the 7300X Series use Dynamic Buffer Allocation (DBA) to allocate up to 6MB of packet memory to a single port for lossless forwarding.
Maximum Flexibility for Scale Out Network Designs
Scale out network designs enable solutions to start small and evolve over time. A simple two-way design can grow as wide as 64-way without significant changes to the architecture. The 7300X Series include enhancements that allow for flexible scale-out designs:
- 64-way ECMP and 64-way MLAG to provide scalable designs and balance traffic evenly across large scale 2 tier leaf-spine designs
- Flow based FDLB architecture to balance large flows and dynamic packet buffering to absorb congestion from microbursts
- Flexible allocation of L2 and L3 forwarding table resources for more design choice
- Wide choice of dense 10GbE and 40GbE modules with broad range of optics and cables for multi-speed flexibility
- VXLAN routing, bridging and gateway for physical to virtualization communication to enable next generation data center designs
- DANZ, sFlow, and multi-port mirroring to detect micro-burst congestion and provide network wide visibility and monitoring
Enhanced Features for High Performance Networks
The Arista 7300X Series delivers a suite of advanced traffic control and monitoring features to improve the agility of modern high performance environments, with solutions for data monitoring, precise timing and next-generation virtualization.
Smart System Upgrade
Smart System Upgrade is a network application designed to address one of the most complicated and challenging tasks facing data center administrators - network infrastructure maintenance. Changes to the underlying network infrastructure can affect large numbers of devices and cause significant outages. SSU provides a fully customizable suite of features that tightly couples data center infrastructure to technology partners allowing for intelligent insertion and removal, programmable updates to software releases and open integration with application and infrastructure elements.
Precise Data Analysis
Arista Latency Analyzer (LANZ) is an integrated feature of EOS. LANZ provides precise real-time monitoring of micro-burst and congestion events before they impact applications, with the ability to identify the sources and capture affected traffic for analysis.
Virtualization
Supporting next-generation virtualized data centers requires tight integration with orchestration tools and emerging encapsulation technologies such as VXLAN. The 7300 Series builds on the valuable tools already provided by the Arista VM Tracer suite to integrate directly into encapsulated environments. Offering a wire-speed gateway between VXLAN and traditional L2/3 environments, the 7300 Series makes integration of non-VXLAN aware devices including servers, firewalls and load-balancers seamless and provides the ability to leverage VXLAN as a standards based L2 extension technology for non-MPLS environments.
Advanced Event Management (AEM)
Simplifying the overall operations, AEM provides the tools to customize alerts and actions. AEM is a powerful and flexible set of tools to automate tasks and customize the behavior of EOS and the operation of the overall data center switching infrastructure. AEM allows operators to fully utilize the intelligence within EOS to respond to real-time events, automate routine tasks, and automate actions based on changing network conditions.
Line Card Modules
Wire-speed line cards deliver up to 1.92 Billion packets per second of forwarding with a single stage architecture that delivers provides fair access to all ports. Line cards contains up to 24MB of packet memory that ensures up to 6MB for any single port for lossless forwarding. Each line card connects to all fabric modules in a non-blocking full mesh and leverages flow based dynamic load balancing to improve the fabric efficiency by reducing the probability of hash polarization.
The Arista 7300 Series can be populated with any combination of line cards. For environments requiring the highest performance combined with scalability a range of both copper and fiber options is available addressing dense 1G/10G and 10G/40G with full support for industry standard connections and comprehensive layer 2 and 3 features for flexible deployment choice.
Designed for High Availability and Manageability
The Arista 7300 Series are designed for continuous operations with system wide monitoring of both hardware and software components, simple serviceability and provisioning to prevent single points of failure. The hardware supports high-availability with hot-swap of all components with redundant supervisors, power supplies, fabric and cooling modules. Fabric redundancy provides deterministic degradation and integrated reversible fan systems for dynamic temperature control combined with N+1 redundancy. Each of the 7300 Series offers power redundancy that supports both power source and power supply redundancy.
The Arista EOS software supports stateful failover between the dual redundant supervisors as well as self-healing stateful fault containment (SFC), stateful fault repair (SFR) and live patching through in-service-software updates to help ensure continuous service.
The Arista 7300 lowers total cost of ownership as it is designed to be efficient with power per port as low as 3W per 10GbE port which combined with reversible cooling to for both leaf and spine data center deployment produces the most reliable, dense and power efficient modular switch.
7300 Chassis - 16-slot, 8-slot and 4-slot
The Arista 7300 chassis provides room for two supervisor modules, four, eight or 16 line card modules, multiple power supply modules, and four fabric modules. The 7304 chassis fits into 8 rack units while the 7308 chassis fits into 13U and the 7316 chassis fits in 21 RU of a standard data center rack. Supervisor and line card modules plug in from the front, as do power supply modules, while the fabric and fan modules are inserted from the rear. The midplane is completely passive and provides control plane connectivity to each of the fabric and line card modules. The system is optimized for data center deployments with front-to-rear and rear to front airflow options.
7300 Supervisor Module
The supervisor modules for the 7300 series run Arista Extensible Operating System (EOS) and handle all control plane and management functions of the system. One supervisor module is needed to run the system and a second can be added for stateful 1+1 redundancy. Each supervisor module takes up only a half slot resulting in very efficient use of space and a higher density design. The quad-core x86 CPU with 16GB of DRAM and an optional SSD provides the control plane performance needed to run an advanced data center switch scaling to over 2,000 physical ports and thousands of virtual ports. A pulse per second clock input port enables synchronizing with an external source to improve the accuracy of network timing and monitoring tools.
7300 Fabric and Fan Module
At the heart of the 7300 series is the fabric. It interconnects all line cards in a non-blocking architecture irrespective of the traffic pattern providing a full 2.56 Tbps of forwarding to each line card module. Each line card module connects to the fabric with multiple links and flows are spread across these paths to efficiently utilize the available fabric capacity. The fabric modules are always active-active, providing high availability and can be hot-swapped with graceful performance degradation. The fabric modules for the three chassis are different based on the size of the chassis and each accommodate a set of individual hot-swap fan modules. The fan modules support forward and reverse airflow and provide redundant cooling. Each fan module can be independently replaced without any impact of the system.
7300 Power Supply Module
The 7300 series switches are equipped with reversible airflow direction 3000W AC power supplies. The power supplies are grid redundant and hot-swappable. The power supplies are platinum climate saver rated and have an efficiency of over 93% with single stage conversion to the internal DC voltage.
Comparison Chart:
| 7300 Series Technical Specifcations | |||
|---|---|---|---|
| Chassis | DCS-7316 | DCS-7308 | DCS-7304 |
| Supervisor slots | 2 | 2 | 2 |
| Linecard Slots | 16 | 8 | 4 |
| Fabric Module Slots | 4 | 4 | 4 |
| Power Supply Slots | 8 | 6 | 4 |
| Fan Modules | 32 | 16 | 8 |
| Physical Dimensions (HxWxD) | 36.6” x 17.36” x 27.8” (93 x 44.1 x 70.6cm) | 22.53” x 17.36” x 23.74” (57.2 x 44.1 x 60.3cm) | 13.86” x 17.36” x 23.74” (35.2 x 44.1 x 60.3cm) |
| Rack Space | 21RU | 13RU | 8RU |
| Weight (Chassis only) | 178 lbs (81 kg) | 110 lbs (49.9 kg) | 78 lbs (35.3 kg) |
| Weight (Fully confgured system) | 536 lbs (243.6 kg) | 299 lbs (135.6 kg) | 188.4 lbs (85.45 kg) |
| Maximum 10GbE Port Density | 2048 Ports | 1,024 Ports | 512 Ports |
| Maximum 40GbE Port Density | 512 Ports | 256 Ports | 128 Ports |
| Maximum Throughput / Packets per Second | 40 Tbps / 30 Bpps | 20 Tbps / 15 Bpps | 10 Tbps / 7.5 Bpps |
| Maximum Power Consumption | 12000W | 6000W | 3000W |
| Fabric Module | DCS-7316X-FM | DCS-7308X-FM | DCS-7304X-FM |
| Redundancy | Graceful Degradation | Graceful Degradation | Graceful Degradation |
| Physical Dimensions (HxWxD) | 32.2” x 3.7” x 15.9” (81.78 x 9.4 x 40cm) | 17.3” x 3.7” x 11.8” (43.9 x 9.4 x 30cm) | 11.80” x 3.70” x 10.27” (30x 9.4 x 26.1cm) |
| Weight | 37.2 lbs (7.8 kg) | 17.3 lbs (7.8 kg) | 10.2 lbs (4.6 kg) |
| Typical Power (Maximum) | 550W (760W) | 195W (343W) | 97.5W (172W) |
| Chassis Support | DCS-7316 | DCS-7308 | DCS-7304 |
| Linecard Module | DCS-7300X-32Q-LC | DCS-7300X-64S-LC | DCS-7300X-64T-LC |
| Ports | 32 QSFP+ (10G/40G) | 48 SFP+ & 4 QSFP+ | 48 10GBASE-T & 4 QSFP+ |
| Max 10GbE | 128 (via splitter cables) | 64 (16 via splitter cables) | 64 (16 via splitter cables) |
| Max 40GbE | 32 | 4 | 4 |
| Port Buffer | 24MB | 12MB | 12MB |
| Weight | 10.2 lbs (4.6 kg) | 9.6 lbs (4.35kg) | 10.2 lbs(4.6kg) |
| Typical (Maximum) Power * | 219W (372W) | 166W (232W) | 290W (430W) |
| Physical Dimensions (WxHxD) | 11.83” x 17.11” x 1.73” (30 x 43.5 x 4.4 cm) | ||
| Chassis Support | DCS-7316, DCS-7308 and DCS-7304 | ||
Characteristics:
| Supervisor Module | DCS-7300-SUP |
|---|---|
| Processor | 2.6GHz, Quad Core, x86, 64-bit |
| System Memory | 16 GB |
| Flash Storage Memory | 4 GB |
| RS-232 Serial Ports | One (RJ-45) |
| 100/1000 Management Ports | Two (RJ-45) |
| USB 2.0 Interface | Two |
| SSD Storage | 100 GB Optional |
| Physical Dimensions (WxHxD) | 1.73” x 8.24” x 11.84” (4.4 x 21 x 30.1cm) |
| Weight | 4.2 lbs (1.9 kg) |
| Typical Power (Maximum) | 65W (80W) |
| Chassis Support | DCS-7316, DCS-7308 and DCS-7304 |
| PWR-3000AC Power Supply Specifcations | |
| Branch Circuit | 200 - 240V, 16A (20A North America) |
| Input Frequency | 50/60 Hz, single phase AC |
| Output Power | 3000W (2550W in reverse) |
| Input Connector | IEC 320 C19 |
| Efficiency (Typical) | Over 93% Platinum |
| Size (WxHxD) | 2.75” x 4.13” x 11.65” (7.0 x 10.5 x 29.6cm) |
| Weight | 5.5 lbs (2.49 kg) |
| Chassis Support | DCS-7316, DCS-7308 and DCS-7304 |
| Environmental Characteristics | |
| Operating Temperature | 0 to 40°C (32 to 104°F) |
| Storage Temperature | -25 to 70°C (-13 to 158°F) |
| Relative Humidity | 20 to 95% |
| Operating Altitude | 0 to 10,000 ft, (0-3,000m) |
| Standards Compliance | |
| EMI | FCC Part 15 Class A, ICES-003 Class A, VCCI Class A |
| Safety | IEC/EN/UL/CSA 60950 CE, uTUVc Mark |
| Other | ROHS-2 compliant |
| Interface Type | SFP+ ports | QSFP+ ports |
| 40GBASE-CR4 | - | 0.5m-7m QSFP+ to QSFP+ |
| AOC-40G-Q-Q | 3m to 100m | |
| 40G-UNIV | 150m (OM3) / 150m (OM4) 500m (SM) | |
| 40GBASE-SR4 | - | 100m (OM3) /150m (OM4) |
| 40GBASE-XSR4 | - | 300m (OM3) /400m (OM4) |
| 40G-PLRL4 | - | 1km (1km 4x10G LR/LRL) |
| 40G-PLR4 | - | 10km (10km 4x10G LR/LRL) |
| 40G-LRL4 | - | 1km |
| 40GBASE-LR4 | - | 10km |
| 10GBASE-CR | SFP+ to SFP+: 0.5m-5m | 0.5m-5m QSFP+ to 4 x SFP+ |
| 10G-AOC | SFP+ to SFP+: 3m-30m | |
| 10GBASE-SRL | 100m | - |
| 10GBASE-SR | 300m | - |
| 10GBASE-LRL | 1km | |
| 10GBASE-LR | 10km | - |
| 10GBASE-ER | 40km | - |
| 10GBASE-ZR | 80km | |
| 10G-DWDM | 80km | - |
| 100Mb 1GbE SX, LX, TX | Yes | - |
Documentation:
Download the Arista 7300 Series Datasheet (PDF).
Includes 7316 chassis, 6 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor (F-R)
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Includes 7316 chassis, 6 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor with SSD (F-R)
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Includes 7316 chassis, 6 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor (R-F)
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Includes 7316 chassis, 6 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor with SSD (R-F)
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Includes 7308 chassis, 4 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor (F-R)
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Includes 7308 chassis, 4 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor with SSD (F-R)
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Includes 7308 chassis, 4 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor (R-F)
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Includes 7308 chassis, 4 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor with SSD (R-F)
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Includes 7304 chassis, 2 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor (F-R)
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Includes 7304 chassis, 2 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor with SSD (F-R)
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Includes 7304 chassis, 2 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor (R-F)
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Includes 7304 chassis, 2 x 3000W PS, 4 Fabric modules with fans, 1x Supervisor with SSD (R-F)
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48 port 10GbE SFP+ and 4 port 40GbE QSFP+ (spare)
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48 port 10GbE SFP+ and 4 port 40GbE QSFP+ (spare)
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48 port RJ45 10GBASE-T and 4 port 40GbE QSFP+ (spare)
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32 port 40GbE QSFP+ (spare)
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2 supervisor slots, 16 linecard slots, 4 fabric module slots
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2 supervisor slots, 8 linecard slots, 4 fabric module slots
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2 supervisor slots, 4 linecard slots, 4 fabric module slots
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