Starting from NIOS 9.0.4, vNIOS for AWS instances can be configured with high availability (HA). To set up a vNIOS for AWS instance with HA (high availability), refer to the list of prerequisites, and then on each node of the HA pair, perform the complete sequence of procedures defined in Provisioning vNIOS for AWS Using the BYOL Model, and additionally, configure the advanced network settings defined in this topic.

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The IAM role permissions defined in this section are a set of minimum permissions required to form an HA pair and allow the vNIOS instance to manage resources in the AWS cloud.You can define the IAM role for the vNIOS for AWS instance from the Launch an instance page >

Advanced details section. Create an IAM instance profile with a policy assigned with below permissions and attach the policy to the role that you will assign to the AWS instance.

When attaching the policy to an existing role, ensure to choose the option Attach policies instead of Create inline policy because HA will not work with inline policies. To attach:
On the Roles page > click the <role> > Permissions tab > Add Permissions drop-down list choose Attach policies > select the policy.

A sample JSON script is as follows:

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For more information about Amazon IAM, see the Amazon IAM documentation page at http://docs.aws.amazon.com/IAM/latest/UserGuide/IAM_Introduction.html. For information about how Amazon IAM roles and permissions work with your Infoblox vNIOS for AWS instances to ensure secure and accurate authorization of user privileges, see Credentials for vDiscovery and Assigning AWS User Credentials to the NIOS Cloud Admin Account.

Defining Advanced Network Configuration for High Availability

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