Arista 7320X Series | Comsys

Arista 7320X Series

Overview

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
DescriptionThe 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.
Models7304X, 7308X and 7316X7324X and 7328X
Maximum Switching Capacity10, 20 and 40Tbps25 and 50Tbps
Linecard slots4,8 and 164 and 8
Maximum 100G Ports256
Maximum 40G Ports512256
Maximum 10G Ports20481024
Maximum 25G Ports1024
Maximum 50G Ports512
Redundant SupervisorsYesYes

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

Architecture

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

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
DescriptionHalf rack of switching that delivers the highest 40GbE capacity in the industryAn 8 slot system with airflow for server or network rows replacing Catalyst 6509Compact high density and resilient system with flexible interface choices for leaf / spine and collapsed spline
Switching Capacity40Tbps20Tbps10Tbps
Linecards1684
10G Ports20481024512
40G Ports512256128
Forwarding Rate30 Bpps15 Bpps7.5 Bpps
Total Buffer384MB192MB96MB
Rack Units21138

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
Ports32 QSFP+48 SFP+

4 QSFP+

48 10G-T

4 QSFP+

10GbE Interfaces128 (QSFP+)6464 (48-T, 16-X)
40GbE Interfaces3244
Port Buffer24MB12MB12MB
Nominal Power238W211W290W
Forwarding Rate1.92Bpps960Mpps960Mpps

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
Latency550ns – 2usec (40G)
MAC Table Size32K to 288K
Maximum IPv4 Host Routes32K to 288K
Maximum IPv6 Host Routes16K to 104K
Maximum IPv4 Unicast Route Prefixes16K to 144K
Maximum IPv6 Unicast Route Prefixes8K to 77K*
Maximum Multicast Groups288K with 8K unique groups
Maximum ACL Entries4-8K Ingress, 1-2K Egress
Maximum LAG MembersUp to 64 member ports
Maximum LAG GroupsUp to 1024
Maximum ECMP Fanout64-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.

System Performance:

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

7328X7324X
DescriptionAn 8 slot system with scalable density and performance for server or network rows replacing Nexus 7K or 9KCompact high density and resilient 100GbE system with flexible interface speeds for both spine and collapsed spline
Switching Capacity50Tbps25Tbps
Linecards84
Maximum 100G Ports256128
Maximum 40G Ports256128
Maximum 10G Ports1024512
Maximum 25G Ports1024512
Maximum 50G Ports512256
L2/L3 PPS38 Bpps19 Bpps
Total Buffer256MB128MB
Rack Units138

Linecard Specification

7320X-32C
Ports32 QSFP100
100GbE Interfaces32 (QSFP100)
40GbE Interfaces32 (QSFP+)
10GbE Interfaces128 with breakout cable and optics
25GbE Interfaces128 with breakout cable and optics
50GbE Interfaces64 with breakout cable and optics
Packet Buffer32MB
Nominal Power219W
Maximum IPv4 Host Routes104K
Maximum IPv6 Host Routes52K
Maximum IPv4 Unicast Route Prefixes128K
Maximum IPv6 Unicast Route Prefixes84K
Maximum Multicast Groups136K with 8K unique groups
Maximum ACL Entries8K Ingress, 1K Egress
Maximum LAG MembersUp to 64 member ports
Maximum LAG GroupsUp to 1024
Maximum ECMP Fanout128-way