MetaMux is an FPGA-based feature available on Arista’s 7130 platforms. It performs ultra-low latency Ethernet packet multiplexing with or without packet contention queuing.

SwitchApp is an FPGA based feature available on Arista’s 7130LB-Series platforms. It performs ultra low latency Ethernet packet switching. The port to port latency is a function of the selected SwitchApp profile. Detailed latency measurements are available in the userguide on the Arista Support site.   SwitchApp application in the FPGA provides L2 forwarding functionality including 802.1Q VLANs, STP, IGMP Snooping, and other features. More forwarding functionality is available with application software extension update. The specific set of forwarding features supported depends on the SwitchApp profile. Please see below for details regarding the features in profile.