A customer requires two separate physical pathways between multiple initiators and multiple targets. Which technology meets this requirement on a single Cisco MDS9148 switch?

Question

Options

• Azoning
• Bport security
• CLUN masking
• DVSANs

• A
  12% (3)
• B
  4% (1)
• C
  8% (2)
• D
  77% (20)

Explanation

VSANs (Virtual Storage Area Networks) on the Cisco MDS 9148 allow a single physical switch to be logically partitioned into multiple independent fabric instances. Each VSAN operates as a completely separate fabric with its own Name Server, zoning database, and Fabric Services. Crucially, physical ports are assigned exclusively to a VSAN, so you can dedicate a set of physical ports (and therefore physical cables) to VSAN 1 for Pathway 1, and a separate set of physical ports to VSAN 2 for Pathway 2 - giving two distinct physical pathways on one switch.

• Zoning controls which initiators can communicate with which targets within a VSAN, but does not create separate physical pathways.
• Port security restricts which WWNs can log into a port, but doesn't segment physical paths.
• LUN masking is a target-side or host-side function that controls LUN visibility, unrelated to pathway separation.

VSANs are the correct answer because they combine logical isolation with physical port assignment to deliver truly separate pathways on a single chassis.

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