Increased adoption of high performance servers coupled with applications using higher bandwidth is accelerating the need for dense 40 and 100 Gigabit Ethernet switching in both leaf and spine tiers of modern networks. The Arista 7060X and 7260X Series are purpose built high performance, high density, fixed configuration, data centre switches with wire speed layer 2 and layer 3 features, combined with advanced features for software defined cloud networking and emerging requirements. The Arista 7060X and 7260X are key components of the Arista portfolio of data centre switches delivering a rich choice of interface speed and density allowing customers to seamlessly evolve from existing 10GbE and 40GbE to 25GbE, 50GbE and 100GbE. The 7060CX-32S and 7260CX-64 support a flexible combination of speeds including 10G, 25G, 40G and 100G in compact form factors that allows customers to design networks to accommodate the myriad different applications and east-west traffic patterns found in modern data centres whilst providing investment protection.