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Company XYZ wants to redesign the Layer 2 part of their network to use all uplinks for increased performance, support host reachability with conversational learning, and avoid port-channels. Which other technique can be used?
A (TRILL - Transparent Interconnection of Lots of Links):TRILL enables multipathing at Layer 2, eliminating classic STP blocking, allowing all uplinks to be active simultaneously, and uses IS-IS based control plane for conversational MAC learning.
Other options explained:
B: LISP operates at Layer 3 for endpoint mobility, not Layer 2 multipathing.
C: MSTP still blocks some links under normal operation.
D: Switch stacking merges multiple physical switches into one logical switch but does not provide true multipathing across independent switches.