After the local VPN tunnel is configured, you can download the VPN tunnel configuration and upload it to the local gateway device on the IDC side.
Log in to the VPC console.
Click VPN Connection > VPN Tunnel on the left sidebar to go to the management page.
On the VPN Tunnel page, click More > Download config file on the right of the target tunnel.
In the pop-up download dialog box, select the type of the customer gateway device, platform, version, API name, and then click Download.