Arista 720D Series Cognitive Campus POE Leaf Switches

Designed for the demands of the interconnected IoT enabled campus, the 720D series delivers wirespeed connectivity for all campus user workloads under the management and monitoring of Arista cognitive campus services. The product family provides a range of PoE and data-only (non PoE) systems. The suite of platforms offer a variety of connection options for user desktops, POE appliances and IoT devices as well as data only options for the networks. The broad choice of platforms provides flexibility in scale and performance and at the same time, provides single pane of management and visibility.

Arista’s cornerstone EOS® combines cognitive campus network features and state of the art merchant silicon to deliver critical services that automate deployment, configuration, visibility troubleshooting and security. The Arista cognitive campus architecture encompasses spline, leaf and wireless infrastructure platforms, telemetry and analytics, and a single image EOS that supports an expanding feature set and partner ecosystem of solutions.

Arista 720D Advantages:

  • Providing options for 10M to 2.5G copper PoE downlink and 10G SFP+
  • Providing options for 10M to 2.5G copper data-only downlink and 10G SFP+
  • Providing options for 100M to 1G fiber data-only downlink and 25G SFP28
  • Industry standard 802.1Q, VRFs and VXLAN/EVPN segmentation
  • Cognitive real time Flow Trackers for CloudVision, IPFIX and sFlow
  • Cognitive, cloud grade reliability, in service maintenance and upgrades
  • EOS programmability and cognitive management plane monitoring APIs

Arista EOS delivers cloud grade QoS, security, and reliability that are required for campus networks.

The cognitive management plane, native in EOS, provides real time telemetry to capture key performance metrics of infrastructure, device, application and user data for SLA monitoring and troubleshooting.

Support various user, IoT and uplink connections:

  • 10-100M, 1G and 2.5G with up to 60W 802.3bt
  • SFP and SFP28 modules supporting 1, 10 and 25G
  • Wire speed architecture
  • Compact, 1RU rack mountable. Only 12.5”/31.75cm deep

Campus optimized reliability and efficiency

  • N+1 cooling
  • Fixed Power Supply and Fans with redundancy
  • Persistent POE on reboot
  • Priority power assignment
  • Less than 175W power for switching (excluding POE)

Arista EOS

  • Common OS for all Arista platforms
  • Field proven reliability
  • Fault Isolating, Self healing
  • In service updates
  • Smart System Upgrades
  • Extensive APIs

Cognitive Management Plane

  • Hardware based real time telemetry
  • Flowtracker monitors infrastructure, device, user and application flows
  • CVP, IPFIX and SFlow APIs
  • Inventorying and threat assessment capabilities
  • Application support from third parties

Arista 720D Series Technical Specifications

The following table compares the capabilities of the 720D series campus switches

Ports 24 RJ45
4 SFP+
24 RJ45
4 SFP+
48 RJ45
4 SFP+
48 RJ45
4 SFP+
10M-1G (Data Only) - 24 - 48
10M-1G PoE+ (30W 802.3af/at) 24 - 48 -
100M-2.5G PoE+ (30W 802.3af/at) - - - -
100M-2.5G PoE+ (60W 802.3bt) - - - -
10G SFP+ Ports 4 4 4 4
(2 way)
128Gbps 128Gbps 176Gbps 176Gbps
Packets/Second 95Mpps 95Mpps 220Mpps 220Mpps
Latency 1.2 microseconds
CPU Dual Core-x86
System Memory 4GB 4GB 4GB 8GB
System Flash 8GB 8GB 8GB 16GB
Packet Buffer 2MB 2MB 4MB 4MB
USB Port 1
Console Port 1
100M/1G Mgmt. port 1
Airflow Front to Rear   
Size (WxHxD) 17.3 x 1.71 x16.9 inches 17.3 x 1.71 x12.9 inches 17.3 x 1.71 x16.9 inches 17.3 x 1.71 x12.9 inches
(44 x 4.4 x 32.7 cm)
Weight  12.8 lb (5.81 kg) 9.6 lb (4.36 kg) 14.83 lb (6.73 kg) 10.22 lb (4.64 kg)
Cooling Fans  3 2 4 2
Power Supply  2 2 2 2
 Scale  720DP-24S and 720DT-24S 720DP-24S and 720DT-24S 
Ingress/Egress ACLs 2K/512 12K/1K 
MAC Addresses 32K  64K 
 IPv4/IPv6 Hosts 16K/8K 32K/16K 
IPv4/IPv6 Routes 8K/2K 16K/6K
ECMP    64-way 64-way
IGMP Groups    Up to 2K Up to 4K