2V0-41.24 Question 141
Single answerIn a single-tier NSX-T logical routing environment, a packet originates from a VM in Segment A and is destined for a VM in Segment B, which are connected to the same Tier-1 Gateway. What is the correct datapath for this packet?
- A
The packet is routed within the Tier-1 Gateway without leaving the hypervisor.
- B
The packet is sent to the Tier-1 Gateway and then forwarded to the Tier-0 Gateway before returning to Segment B.
- C
The packet is sent to the physical underlay network and then routed back to Segment B by the Tier-1 Gateway.
- D
The packet is encapsulated and sent to the Tier-0 Gateway, which performs routing and forwards the packet to Segment B.
Show answer and explanation
Correct answer: A
Explanation
In a single-tier NSX-T logical routing environment, a Tier-1 Gateway handles routing between segments connected to it. The packet remains within the hypervisor and does not traverse the Tier-0 Gateway or the physical underlay network. This efficient routing mechanism is a key feature of NSX-T's logical routing capabilities.
- A. Correct.
Correct. In a single-tier routing scenario, the Tier-1 Gateway routes packets locally if the source and destination are connected to the same Tier-1 Gateway, and the packet does not leave the hypervisor.
- B. Incorrect.
Incorrect. Tier-0 Gateway involvement is not required since both source and destination segments are connected to the same Tier-1 Gateway.
- C. Incorrect.
Incorrect. The packet does not traverse the physical underlay network in this scenario as logical routing occurs entirely within the NSX-T overlay.
- D. Incorrect.
Incorrect. There is no need to involve the Tier-0 Gateway for routing between segments on the same Tier-1 Gateway.