An SBC deployment requires a VPC with sufficient IP space to support 4 or 5 IPv4 subnets:

  • Management (MGT0)
  • High Availability (HA0)
  • Packet 0 (PKT0)
  • Packet 1 (PKT1)
  • High-Availability-forwarding Engine Public Subnet (HFE Public-facing) depending on deployment type

Create a subnet within an existing VPC, or allocate a new VPC. All four subnets must reside within the same region/VPC and availability zone.

 

To create a new subnet with CIDR x.x.x.x/20 within an existing VPC:

  1. Navigate to the VPC Dashboard: https://console.aws.amazon.com/vpc/
  2. Select Your VPCs on the left taskbar to see the list of VPCs available.
  3. Select Subnets on the left taskbar.
  4. Click Create subnet to create a subnet for MGT0 using a CIDR block. For example, x.x.0.0/20.
  5. Click Create subnet to create a subnet for HA0 using an IPv4 CIDR block, for example, x.x.16.0/20.
  6. Click Create subnet to create a subnet for PKT0 using an IPv4 CIDR block, for example, x.x.32.0/20.
  7. Click Create subnet to create a subnet for PKT1 using an IPv4 CIDR block, for example,  x.x.48.0/20.
  8. If deploying a High-Availability Forwarded Engine instance with the SBC, use a public-facing subnet. You can re-use an existing public-facing subnet. If not available, click Create subnet to create a subnet for HFE Public-facing using an IPv4 CIDR block, for example, x.x.64.0/20

For more information on creating subnets in AWS, refer to Creating a Subnet in Your VPC.