Datacenter Design V ( TRILL, Fabric Path )

TRansparent Interconnection of Lots of Links

• https://en.wikipedia.org/wiki/TRILL_(computing)
• Often in datacenters a layer 2 design is implemented to span VLANs.
• First define your FabricPath domain, which disables Ethernet.
• IS-IS enabled Fabric Path Domain.
• Classic Switch data learned and IS-IS Level 2 ‘Routing Table’ Built.
• Opens L2 ECMP Capabilities.
• Leaf to servers with vPC / MEC

FabricPath:  builds a scaleable, stable, fast, resilient, loadbalacing ECMP, core.
Leaf to servers combined with MEC: High Capacity, redundant classic ethernet Edge