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Step 2: If you need to create a new VPC, click on CREATE VPC NETWORL NETWORK at the top of the VPC overview list.

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During the creation of a VM instance, when you add the default and optional additional NICs, you can determine if the IP addresses assigned to a NIC are static (persistent across restarts) or ephemeral (non-persistent across restarts). The process to add a static IP requires to reserve reserving the IP address. The public IP address may also have to be created first.

If you select choose to add a static private IP address to an interface, you will get the following window to reserve a static private IP address:

If you select choose to add a static public IP address to an interface, you will get the following window to create (if needed) and reserve an address:

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• Public IP addresses for Google APIs and services, including Google Cloud netblocks: You can find a link to these IP addresses at http://gstatic.com/ipranges/goog.txtin this Google FAQ.
• 199.36.153.4/30 and 199.36.153.8/30: private Google access-specific virtual IP addresses
• 0.0.0.0/8: Current (local) network RFC 1122
• 127.0.0.0/8: Local host RFC 1122
• 169.254.0.0/16: Link-local RFC 3927
• 224.0.0.0/4: Multicast RFC 5771
• 255.255.255.255/32: Limited broadcast destination address RFC 8190 and RFC 919

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• Currently, the Charon-SSP marketplace images are based on CentOS 7.
• NetworkManager is disabled by default in these images.
• If you disable the automatic interface setup as shown above, you must make sure that the correct ifcfg-files for every interface exist in /etc/sysconfig/network-config. Failure to do so, can make your instance unreachable after the next network restart.
• If you use a RHEL/CentOS 8 image as the base image for your Charon host, the interface must be controlled by the NetworkManager. You can set up the appropriate configuration by editing the interface configuration files or using nmcli commands.

To disable automatic interface configuration by the cloud tools, edit the file and set the parameter setup to false as shown in the example below:

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After restarting the network (systemctl restart network), the configuration as defined in the ifcfg-files should be set for the interfaces. On RHEL/CentOS 8 systems restart the NetworkManager instead (systemctl restart NetworkManager).

Additional GCP-specific Information

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