300-415 Question #298: Real Exam Question with Answer & Explanation

The correct answer is C: in the same subnet. All members of a Cisco vManage cluster located in the same data center should have their IP addresses assigned within the same subnet to ensure proper communication and functionality.

Controller Deployment

Question

How should the IP addresses be assigned for all members of a Cisco vManager cluster located in the same data center?

Options

Ain overlapping IPs
Bin different subnets
Cin the same subnet
Din each controller with a /32 subnet

Explanation

All members of a Cisco vManage cluster located in the same data center should have their IP addresses assigned within the same subnet to ensure proper communication and functionality.

Common mistakes.

A. Assigning overlapping IP addresses would cause severe IP conflicts, making the network unstable and preventing the vManage cluster from functioning correctly.
B. Placing vManage cluster members in different subnets would introduce routing dependencies and potential complexity for inter-node communication, which is not the recommended approach for a tightly coupled cluster in the same data center.
D. While each controller's IP is a host route (/32), the logical network that interconnects all cluster members must be a common subnet, not isolated /32s preventing direct cluster communication.

Concept tested. Cisco vManage cluster IP addressing requirements

Reference. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/sdwan-deploy-vmanage.html

Topics

#vManage cluster#IP addressing#Network design#Controller deployment

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