What is the minimum number of fabric modules that should be installed in the Cisco Ne*js 7000 chassis for N 1 redundancy using Ml-Series line card?

The correct answer is A. 3. The Cisco Nexus 7000 uses fabric modules to interconnect line cards through its crossbar switching fabric. For M1-Series line cards, each line card connects to each fabric module independently. N+1 redundancy means you need N modules to carry full traffic load plus 1 additional…

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Explanation

The Cisco Nexus 7000 uses fabric modules to interconnect line cards through its crossbar switching fabric. For M1-Series line cards, each line card connects to each fabric module independently. N+1 redundancy means you need N modules to carry full traffic load plus 1 additional module that can take over if any single module fails. With M1-Series line cards, a minimum of 3 fabric modules satisfies N+1 redundancy: 2 modules handle full traffic bandwidth under normal operation, and the 3rd module provides the redundant spare. If any one of the active fabric modules fails, the remaining two can maintain full forwarding capacity. Installing fewer than 3 (e.g., only 2) would give you no redundancy - losing one would immediately degrade performance.

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#Nexus 7000#fabric modules#N+1 redundancy#chassis design

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