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The Arista 7050 series switches offer wire speed layer 2/3/4 performance with 64 ports of 10 GbE in a compact 1 RU chassis. The 75050S-64 switch offers 48 SFP+ and 4 QSFP+ interfaces. Each 40GbE port can also operate as four independent 10 GbE ports to provide a total of 64 10 GbE ports in the 7050S-64 model. With a typical power consumption of less than 2 watts/port with twinax copper cables, and less than 3 watts/port with SFP/ QSFP lasers, the 7050 series provides industry leading power efficiency for the data center.
In cut-through mode, the Arista 7050 series switches forward packets with a latency of nanoseconds. Upon congestion, the packets are buffered in shared packet memory that has a total size of 9 MBytes. Unlike other architectures that have fixed per-port packet memory, the 7050 switches use Dynamic Buffer Allocation (DBA) to allocate up to 5 MB of packet memory to a single port for lossless forwarding.
The 7050 series switches offer advanced capabilities for network provisioning. With ZTP, the switch can be automatically provisioned through a centralized management system with a dynamically generated configuration and preferred boot image. The integrated storage allows for a family of applications that can be run from the network itself. This includes having the switch be a PXE boot server, store syslogs for audit and compliance right on the switch, capturing and saving data packets via tcpdump and Linux based services such as DHCP and Precision Time Protocol (PTP).