You are designing a fabricpath network that connects to a spine-and-leaf topology using Layer 2 IS-IS as the IGP. The solution must be able to detect changes in the network topology and calculate loop-free paths to other nodes in the network that are being used as top-of Crack switches, which three characteristics of this fabricpath design solution are true? (Choose two)

You are designing a fabricpath network that connects to a spine-and-leaf topology using Layer 2 IS-IS as the IGP. The solution must be able to detect changes in the network topology and calculate loop-free paths to other nodes in the network that are being used as top-of Crack switches, which three characteristics of this fabricpath design solution are true? (Choose two)
A . The switch operating system uses multiple equal-cost parallel links that provide ECM
C . The interfaces in FabricPath network run only the FabricPath Layer 2 IS-IS protocol with FTags disabled.
D . To use the basic FabricPath functionality, you must configure IS-IS on every interface between the leaf-and-spine switches
E . Each switch computes its shortest path to every other switch in the network using the SPF algorithm.
F . FabricPath Layer 2 IS-IS uses the standard IS-IS functionality to populate up to 16 for a given destination switch.
G . The FabricPath domain must be replaced because it because it does not run ST

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Answer: A,D