Arista 7300 Series

High Performance, Feature Rich 10/40/100GbE Systems: 50Tbps & 256 x 100GbE, 512x 40GbE, 2048x 10GbE, 768x 10GBASE-T

Designed for large scale leaf / spine and Spline™ networks the Arista 7300X and 7320X Series modular switches deliver industry leading density and performance with a rich choice of interface types for server leaf and spine network deployment. They combine scalable L2 and L3 features with comprehensive network monitoring, virtualization and visibility features.

 7300X7320X
Description The Arista 7300X are modular systems for high density 10GbE and 40GbE with up to 512 ports of 40G available in a choice of three systems each with reversible airflow. Ideal for building leaf/spine or Spline™ data center networks. The Arista 7320X Series are two high capacity and compact modular systems that deliver high density 100GbE with a flexible choice of interface speeds. Ideal for mission critical spines and leaf-spine designs.
Models 7304X, 7308X and 7316X 7324X and 7328X
Maximum Switching Capacity 10, 20 and 40Tbps 25 and 50Tbps
Linecard slots 4,8 and 16 4 and 8
Maximum 100G Ports - 256
Maximum 40G Ports 512 256
Maximum 10G Ports 2048 1024
Maximum 25G Ports - 1024
Maximum 50G Ports - 512
Redundant Supervisors Yes Yes

 

The Foundation for Spline Networking

 

Architected to Operate at Cloud Network Scale

  • 50Tbps system capacity / 38 Billion PPS
  • Wire speed unicast & mcast
  • Class leading latency and Dynamic Buffer Allocation
  • Scalable Leaf / Spine and Spline Designs

Optimized for Virtualization and Cloud

  • VXLAN and EOS Network Tracers
  • Provisioning & scripting with Python and ZTP
  • VM Tracer and LANZ for real-time traffic visibility

Comprehensive L2/L3 and 10G/40G Options

  • Choice of 32 x 100G, 32x 40G / 48x 10GBASE-T + 4x 40G / 48 x 10G-SFP + 4x 40G
  • Up to 1024 x 25GbE. 2048x 10G or 512x 40G in a single system
  • Flexible 10GBASE-T option for 100M/1G/10G server access
  • Rich L2 and L3 resources: MAC 288K / IPv4 Hosts 208K / 16K IPv4 & 8K IPv6 routes

Arista 7300 Technical Architecture

The Arista 7300X and 7320X Series are designed with the latest in system on chip (SoC) silicon and software. The 7300X Series architecture is optimized for fully meshed east-west traffic patterns with mixed traffic loads found in both private and public cloud networks.

Featured Video: Modern Scale Out Cloud Network Designs

Lincoln Dale

The 7300X and 7320X Series modular switches are designed for continuous operations with system wide monitoring of hardware and software components, simple serviceability and data center optimized airflow options. The series offers high availability of all critical components with redundant supervisors, power supplies, fabric and fan modules.

High Performance 10/40/100GbE Ethernet Spline

7300X Series

  • 2048 x 10Gb, 512 x 40Gb and 768 10GBASE-T Ethernet Ports
  • 2.56Tb of capacity for each linecard slot, for over 40Tbps total
  • Dynamic Buffer Allocation to protect against drops under congestion
  • Aggregate 30 Billion PPS of L2/L3 forwarding

7320X Series

  • 256x 100GbE, 256 x 40GbE, 1024 x 10GbE and 25GbE Ports
  • 6.4Tbps of capacity for each linecard slot, for over 50Tbps total
  • 256MB of aggregate packet buffering
  • Aggregate 38 Billion PPS of L2/L3 forwarding

High Availability

  • Redundant Supervisor, fabric, fans and power
  • Data Center optimized airflow
  • In Service Software Upgrades
  • Self-healing stateful fault repair (SFR)
  • Stateful Supervisor Switchover*

High Performance Fabric Modules

  • Efficient utilization of fabric using DLBF to optimally balance traffic
  • 50Tbps Fabric
  • Fabric with individually removable fan modules to improve system reliability

* Not yet supported in EOS.

Arista 7300 Series Technical Specifications

The Arista 7300X Series modular switches provide industry leading 10/40GbE density and performance. Available as a choice of 16 slot, 8 slot and 4 slot systems they combine wirespeed forwarding with comprehensive L2 and L3 features.

The 7300X Series supports a choice of high density wirespeed layer 2/3/4 performance linecards that offer a flexible combination of 1/10/40GbE switching to design large leaf and spine networks for scale-out of east-west traffic patterns with low latency and power efficiency.

 

Featured Video: 7300 Series Deep Dive

 

System Performance:

The Arista 7300 systems can be fully populated with up to 16, eight or four linecards respectively

 731673087304
Description Half rack of switching that delivers the highest 40GbE capacity in the industry An 8 slot system with airflow for server or network rows replacing Catalyst 6509 Compact high density and resilient system with flexible interface choices for leaf / spine and collapsed spline
Switching Capacity 40Tbps 20Tbps 10Tbps
Linecards 16 8 4
10G Ports 2048 1024 512
40G Ports 512 256 128
Forwarding Rate 30 Bpps 15 Bpps 7.5 Bpps
Total Buffer 384MB 192MB 96MB
Rack Units 21 13 8

 

Linecard Comparison:

7300X Series linecards provide a choice of speed and density addressing 1/10/40 GbE requirements with a consistent set of features. Each module is power efficient and delivers consistent performance and low latency with a dynamically allocated buffer that is optimized for fully meshed East-West traffic patterns.

 7300X-32Q7300X-64S7300X-64T
Ports 32 QSFP+

48 SFP+

4 QSFP+

48 10G-T

4 QSFP+

10GbE Interfaces 128 (QSFP+) 64 64 (48-T, 16-X)
40GbE Interfaces 32 4 4
Port Buffer 24MB 12MB 12MB
Nominal Power 238W 211W 290W
Forwarding Rate 1.92Bpps 960Mpps 960Mpps

 

Linecard Features:

Each 7300X Series linecard delivers a consistent set of features supporting layer 2 and layer 3 data center designs with predictable and linear scaling.

 7300 Linecards
Latency 550ns - 2usec (40G)
MAC Table Size 32K to 288K
Maximum IPv4 Host Routes 32K to 288K
Maximum IPv6 Host Routes 16K to 104K
Maximum IPv4 Unicast Route Prefixes 16K to 144K
Maximum IPv6 Unicast Route Prefixes 8K to 77K*
Maximum Multicast Groups 288K with 8K unique groups
Maximum ACL Entries 4-8K Ingress, 1-2K Egress
Maximum LAG Members Up to 64 member ports
Maximum LAG Groups Up to 1024
Maximum ECMP Fanout 64-way

Arista 7320X Series Technical Specifications

The Arista 7320X Series modular switches provide industry leading 40/100GbE density and performance. Available as a choice of 8 slot and 4 slot systems they combine wirespeed forwarding with comprehensive L2 and L3 features.

The 7320X Series supports high density layer 2/3/4 wirespeed performance linecards that offer a flexible combination of interface speeds including 10GbE, 25GbE, 40GbE and 100GbE to design large leaf and spine networks for scale-out of east-west traffic patterns with low latency and power efficiency and enable seamless migration from 10/40GbE to 25/100GbE soluitions.

 

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System Performance:

The Arista 7320X systems can be fully populated with up to eight or four linecards respectively

 7328X7324X
Description An 8 slot system with scalable density and performance for server or network rows replacing Nexus 7K or 9K Compact high density and resilient 100GbE system with flexible interface speeds for both spine and collapsed spline
Switching Capacity 50Tbps 25Tbps
Linecards 8 4
Maximum 100G Ports 256 128
Maximum 40G Ports 256 128
Maximum 10G Ports 1024 512
Maximum 25G Ports 1024 512
Maximum 50G Ports 512 256
L2/L3 PPS 38 Bpps 19 Bpps
Total Buffer 256MB 128MB
Rack Units 13 8

Linecard Specification

 7320X-32C
Ports 32 QSFP100
100GbE Interfaces 32 (QSFP100)
40GbE Interfaces 32 (QSFP+)
10GbE Interfaces 128 with breakout cable and optics
25GbE Interfaces 128 with breakout cable and optics
50GbE Interfaces 64 with breakout cable and optics
Packet Buffer 32MB
Nominal Power 219W
Maximum IPv4 Host Routes 104K
Maximum IPv6 Host Routes 52K
Maximum IPv4 Unicast Route Prefixes 128K
Maximum IPv6 Unicast Route Prefixes 84K
Maximum Multicast Groups 136K with 8K unique groups
Maximum ACL Entries 8K Ingress, 1K Egress
Maximum LAG Members Up to 64 member ports
Maximum LAG Groups Up to 1024
Maximum ECMP Fanout 128-way