Does the host subnet need to be the same CIDR as the private subnet for Databricks with VNET Injection?

Question

Does the host subnet need to be the same CIDR as the private subnet for Databricks with VNET Injection?

Nick Palmer 0

When creating a VNET Injection Databricks cluster, does the subnet configuration for the host "public" subnet need to the be the same CIDR range as the container "private" subnet?

PRADEEPCHEEKATLA 90,651 Reputation points Moderator

2023-02-09T06:16:22.2966667+00:00

Hello @Nick Palmer

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PRADEEPCHEEKATLA 90,651 Reputation points Moderator

2023-02-09T06:16:22.2966667+00:00

Hello @Nick Palmer

Just checking in to see if the below answer helped. If this answers your query, do click Accept Answer and Yes for was this answer helpful. And, if you have any further query do let us know.

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PRADEEPCHEEKATLA 90,651 Moderator

Hello @Nick Palmer

Thanks for the question and using MS Q&A platform.

No, the subnet configuration for the host "public" subnet does not need to be the same CIDR range as the container "private" subnet. The host "public" subnet is used for communication between the Databricks workspace and the Azure services, while the container "private" subnet is used for communication between the Spark executors and the driver. It is recommended to use different CIDR ranges for the host and container subnets to avoid range collisions.

For more details, refer to Deploy Azure Databricks in your Azure virtual network (VNet injection).

Hope this helps. Do let us know if you any further queries.

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PRADEEPCHEEKATLA 90,651 Reputation points Moderator

2023-02-14T10:28:34.6433333+00:00

Hello @Nick Palmer

Following up to see if the above suggestion was helpful. If this answers your query, do click Accept Answer and Yes for was this answer helpful. And, if you have any further query do let us know.

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Does the host subnet need to be the same CIDR as the private subnet for Databricks with VNET Injection?

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