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300-320 · Question #403
300-320 Question #403: Real Exam Question with Answer & Explanation
The correct answer is B: Design lacks of hardware diversity. Connecting the VSL (Virtual Switch Link) between two VSS chassis exclusively through supervisor engine ports lacks hardware diversity, creating a single point of failure for the virtual switch domain.
Question
What results to connect 2 VSS routers on 10G card over Supervisor engine ports?
Options
- AIt will cause loop
- BDesign lacks of hardware diversity
Explanation
Connecting the VSL (Virtual Switch Link) between two VSS chassis exclusively through supervisor engine ports lacks hardware diversity, creating a single point of failure for the virtual switch domain.
Common mistakes.
- A. VSS presents both chassis as a single logical switch to the network, so inter-chassis links are treated as internal fabric rather than external links that would trigger STP loop detection.
Concept tested. VSS VSL hardware diversity design requirement
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