300-610 · Question #237
Refer to the exhibit. An engineer must design a solution to support a customer's rapidly growing online business. After consulting with the customer, the engineer determined: - VXLAN multipod will pro
The correct answer is D. double-sided vPC. To support multihomed active/active LACP connectivity for web server clusters with vPC for redundancy and throughput, without FEX or virtual switching in a VXLAN multipod design, the engineer must select double-sided vPC.
Question
Refer to the exhibit. An engineer must design a solution to support a customer's rapidly growing online business. After consulting with the customer, the engineer determined:
- VXLAN multipod will provide the most optimal Layer 3 transport
between web server clusters.
- Devices should be multihomed in an active/active configuration using
LACP.
- No FEX or virtual switching is needed.
- vPC will be implemented to maximize throughput and provide redundancy
for web server clusters. Which feature must the engineer select to support this design?
Exhibit
Options
- AvPC+
- Bsingle-sided vPC
- Cenhanced vPC
- Ddouble-sided vPC
How the community answered
(28 responses)- A14% (4)
- B4% (1)
- C7% (2)
- D75% (21)
Why each option
To support multihomed active/active LACP connectivity for web server clusters with vPC for redundancy and throughput, without FEX or virtual switching in a VXLAN multipod design, the engineer must select double-sided vPC.
vPC+ is a term often associated with Cisco ACI or specific Nexus 9K deployments that integrate with fabric extenders, which is excluded by the 'no FEX or virtual switching' constraint.
Single-sided vPC is not a standard or appropriate term for active/active multihoming; vPC inherently involves two switches and the connected device.
Enhanced vPC is a less common or deprecated term; the standard vPC feature itself provides the desired active/active forwarding capabilities for server attachment.
A double-sided vPC describes the architecture where an end-device (like a web server) is dual-homed using an LACP port channel to two different Nexus switches that form a vPC peer pair. This configuration provides active/active redundancy and maximized throughput directly from the server to the vPC domain, aligning with all specified requirements.
Concept tested: Cisco Nexus vPC for server multihoming
Source: https://www.cisco.com/c/en/us/products/collateral/switches/nexus-9000-series-switches/white-paper-c11-736006.html
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