Creating a Customer Gateway

To connect your on-premises data center or private network to your ECSs in a VPC, you need to create a customer gateway before creating a VPN connection.

1. Log in to the management console.
2. Click in the upper left corner and select the desired region and project.
3. Click in the upper left corner, and choose Network > Virtual Private Network.
4. In the navigation pane on the left, choose Virtual Private Network > Enterprise – Customer Gateways.
5. On the Customer Gateway page, click Create Customer Gateway.
6. Set parameters as prompted and click Create Now.

   Table 1 lists the customer gateway parameters.

   Table 1 Description of customer gateway parameters

   Parameter	Description	Example Value
   Name	Name of a customer gateway. The value can contain only letters, digits, underscores (_), hyphens (-), and periods (.).	cgw-001
   Identifier	IP address used by the customer gateway to communicate with the VPN gateway. The value must be a static address. Ensure that UDP port 4500 is permitted in a firewall rule on the customer gateway in your on-premises data center or private network. NOTE: When Identifier is set to IP Address, the gateway IP address cannot start with 0, for example, 0.xx.xx.xx.	1.2.3.4
   BGP ASN	Enter the ASN of your on-premises data center or private network. The BGP ASN of the customer gateway must be different from that of the VPN gateway.	65000
   Advanced Settings > Tags	Tag of a VPN resource. The value consists of a key and a value. A maximum of 20 tags can be added. You can select predefined tags or customize tags. To view predefined tags, click View predefined tags.	-

7. (Optional) If there are two customer gateways, repeat the preceding operations to configure the other customer gateway with a different identifier.

You need to configure an IPsec VPN tunnel on the router or firewall in your on-premises data center.