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Configure NAT Instance

  1. Create a NAT Instance from the image provided by FCI.

    Select NAT Instance image

    Create NAT Instance screen

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    In the Subnet field, select a subnet that has Internet access.

    Select Internet-accessible subnet

  2. Attach a Floating IP to the NAT Instance. Skip this step if a Floating IP was already assigned during instance creation.

    Floating IP list

    Attach Floating IP

    Confirm Floating IP attachment

  3. Attach a security group to the NAT Instance and open the required rules to allow instances in the isolated network to reach the Internet. You can also open ICMP to enable ping testing. Skip this step if a security group was already attached during instance creation.

    Security group list

    Attach security group

  4. Add a Network Interface Card (NIC) on the same subnet as the isolated subnet of the instance that needs Internet access.

    Add NIC

    Select isolated subnet

    Confirm NIC addition

  5. Allow address pair 0.0.0.0/0 on the NIC belonging to the isolated network.

    Configure allowed address pair

    Confirm allowed address pair

  6. Access the instance in the isolated network and change the default gateway to the IP of the NAT Instance's NIC. The example below uses a Windows instance.

    Configure gateway on Windows instance

    Enter NAT Instance NIC IP

    Confirm gateway configuration

Last updated on by Dang Tran