Applying for a Subnet and Configuring a Security Group

Scenarios

To ensure proper communication between the servers in an SAP Business One system, apply for a subnet for the ECSs and configure a proper security group.

Procedure

1. Apply for a subnet.
   1. Log in to the management console.
   2. On the homepage, click Service List and choose Network > Virtual Private Cloud.
   3. Click the VPC name to which the SAP HANA system belongs.
   4. Click the Subnets tab and then Create Subnet.
   5. In the displayed Create Subnet dialog, configure parameters as prompted.
      • Name: Configure the subnet name that is easy to identify, for example, service_subnet.
      • CIDR: Configure this parameter according to the deployment plan described in section Network Planning.
      • Gateway: Use the default setting for this parameter.
   6. Click OK to complete the subnet configuration.
   7. Repeat 1.d to 1.f to create all required subnets according to the requirements specified in section Network Planning.

2. Set security groups.
   Create a security group for all nodes in the SAP Business One system.

   1. Click Security Group on the left and then Create Security Group on the right side of the page. The Create Security Group page is displayed.
   2. Enter the security group name and click OK to complete the security group configuration.

      Name the security group that is easy to identify, for example, studio_security_group.

   3. Repeat 2.a to 2.b to create other security groups.
   4. In the security group list on the right of the page, click the security group for which a rule is to be added.
   5. Click Add Rule.
   6. On the displayed page, add the rule according to the requirements specified in section Network Planning.

      The default security group rules cannot be deleted.

   7. Repeat 2.d to 2.f to configure all security groups.