300-415 · Question #298
How should the IP addresses be assigned for all members of a Cisco vManager cluster located in the same data center?
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.
Question
Options
- Ain overlapping IPs
- Bin different subnets
- Cin the same subnet
- Din each controller with a /32 subnet
How the community answered
(42 responses)- A2% (1)
- B2% (1)
- C95% (40)
Why each option
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.
Assigning overlapping IP addresses would cause severe IP conflicts, making the network unstable and preventing the vManage cluster from functioning correctly.
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.
For high availability and efficient communication, all Cisco vManage cluster nodes must be located within the same data center and assigned IP addresses belonging to the same subnet. This configuration ensures direct Layer 2 connectivity and simplifies network design, which is a critical requirement for cluster operations.
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
Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/sdwan-deploy-vmanage.html
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