7060X and 7260X Series | Platform Overview

Dynamic Bu er Allocation

In cut-through mode, the Arista 7060X and 7260X switches forward packets with a latency of 450 nanoseconds to 550 nanoseconds.

Upon congestion, the packets are buffered in shared packet memory that has a total size of 16 MBytes to 22 MBytes per port group.

Unlike other architectures that have fixed per-port packet memory, the 7060X and 7260X Series use Dynamic Buffer Allocation (DBA) to

allocate packet memory to a single port for lossless forwarding.

Scaling Data Center Performance

The Arista 7060X and 7260X series deliver line rate switching at layer 2 and layer 3 to enable faster and simpler network designs for data

centers that dramatically lowers the network capital and operational expenses. When used in conjunction with the Arista 7000 series of

fixed and modular switches it allows networks to scale to over 27,000 10G/25G servers in low-latency two-tier networks that provide

predictable and consistent application performance. The flexibility of the L2 and L3 multi-path design options combined with support

for open standards provides architectural flexibility, scalability and network wide virtualization. Arista EOS advanced features provide

control and visibility with single point of management.

Arista Fixed System Leaf-Spine Designs

Scale to 6,144 10GbE/25GbE ports or 1,536

40GbE/100GbE port at 3:1 subscription

Arista Leaf-Spine Two-tier Network Architecture with 7060X and 7260X Series

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 far as 64-way

without significant changes to the architecture. The Arista 7060X and 7260X include enhancements for flexible scale-out designs:

• 128-way ECMP and 64-way MLAG to provide scalable designs and balance traffic evenly across large scale 2 tier leaf-spine designs

• Custom hash algorithms for efficient hashing, persistent hashing and custom lookups for tunneled protocols.

• Flexible allocation of L2 and L3 forwarding table resources for more design choice

• Wide choice of dense 10G/25G/40G/100G interfaces for multi-speed flexibility

• Support for standards based IEEE 25GbE with mix and match support for both 10G and 25G for simple and cost effective migration

• VXLAN routing, bridging and gateway capability for physical to virtualization communication in next generation data center designs

• DANZ, sFlow and multi-port mirroring to detect micro-burst congestion and provide network wide visibility and monitoring

Arista Modular System Leaf-Spine Designs

Scale to 9,216 40GbE/100GbE ports or

27,648 10GbE/25GbE ports at 3:1

subscription