Arista Network Convergence System 5500 Series
Three variants of the Arista network NCS5500 modular chassis, the NCS 5504, NCS 5508, and NCS 5516 chassis feature a Clos fabric-line card connecting design That's what I mean. Back-mounted fabric module. Supports up to six switch fabric cards per system, with all fabric cards directly connected to all line cards. This architecture provides optimal bandwidth distribution within the chassis by distributing the load among the fabric cards. Cisco NCS 5500 Series Fan Trays The NCS 5504, NCS 5508, and NCS 5516 chassis with front-to-back cooling support three hot-swappable fan trays. The fabric modules are behind the fan trays, and each fan tray covers two fabric modules. The fan trays provide N+1 redundancy and each fan tray can be removed simultaneously during operation to access the underlying fabric cards. Cisco NCS 5500 Generation 2 Fabric Cards and Fan Trays IOS-XR version 6.6.25 introduces new generation fabric cards and fan trays...
