Change the specifications of a VPN gateway - VPN Gateway

If you need to modify the bandwidth or change the specifications of a VPN gateway, you can upgrade or downgrade the VPN gateway. This topic describes how to upgrade or downgrade a VPN gateway.

Upgrade

Before you upgrade a VPN gateway, take note of the following items.

Item	Description
Upgrade	You can upgrade the bandwidth of a VPN gateway. Note You can enable IPsec-VPN and SSL-VPN or increase the maximum number of concurrent SSL connections for a VPN gateway based on your business requirements. For more information, see the following topics: Enable IPsec-VPN Enable SSL-VPN Modify the maximum number of concurrent SSL connections
Upgrade limits	If the bandwidth of your VPN gateway is smaller than or equal to 200 Mbit/s, you cannot upgrade the bandwidth to 500 Mbit/s or 1,000 Mbit/s. If the bandwidth of your VPN gateway is 500 Mbit/s, you can upgrade the bandwidth only to 1,000 Mbit/s. Note If you use a VPN gateway that supports dual-tunnel IPsec-VPN connections, you can contact your account manager to remove upgrade limits on bandwidth. Your services are not affected during the upgrade process.
Effective time	After you upgrade a VPN gateway, the upgrade immediately takes effect. However, you may need to wait a few minutes due to network latency.
Impacts on billing	After you modify a VPN gateway and submit the order, the system bills the VPN gateway based on the new configuration. For more information, see Billing rules.
Scenarios	You can upgrade a VPN gateway based on your business requirements.

Log on to the VPN Gateway console.
In the top navigation bar, select the region in which the VPN gateway resides.
On the VPN Gateways page, find the VPN gateway that you want to upgrade and click Upgrade in the Bandwidth column.
On the VPN Gateway | Upgrade/Downgrade page, modify the maximum bandwidth of the VPN gateway.
In the Terms of Service section, read and select the check box to agree to the Terms of Service, click Buy Now, and then complete the payment.

Downgrade

Before you downgrade a VPN gateway, take note of the following items:

Item	Description
Downgrade	You can downgrade the bandwidth of a VPN gateway. You can disable IPsec-VPN and SSL-VPN for a VPN gateway. You can decrease the maximum number of concurrent SSL connections for a VPN gateway.
Downgrade limits	If you want to disable IPsec-VPN for a VPN gateway, make sure that all IPsec-VPN connections created for the VPN gateway are deleted. For more information, see the Delete an IPsec-VPN connection section of the "Create and manage IPsec-VPN connections in dual-tunnel mode" topic. If you want to disable SSL-VPN for a VPN gateway, make sure that all SSL and IPsec servers associated with the VPN gateway are deleted. For more information, see the Delete an SSL server section of the "Create and manage an SSL server" topic and the Delete an IPsec server section of the "Create and manage IPsec servers" topic. If the bandwidth of your VPN gateway is 1,000 Mbit/s, you can downgrade the bandwidth only to 500 Mbit/s. If the bandwidth of your VPN gateway is 500 Mbit/s, you cannot downgrade the bandwidth. Note If you use a VPN gateway that supports dual-tunnel IPsec-VPN connections, you can contact your account manager to remove downgrade limits on bandwidth. If the transmitted traffic of a VPN gateway exceeds the maximum bandwidth during the bandwidth downgrade process, connections may be interrupted. Therefore, we recommend that you enable automatic reconnection for your services. If you decrease the maximum number of concurrent SSL connections for a VPN gateway and the number of existing clients connected to the VPN gateway exceeds the new limit, some connections may be interrupted. Therefore, we recommend that you enable automatic reconnection for your services.
Effective time	After you downgrade a VPN gateway, the downgrade immediately takes effect. However, you may need to wait a few minutes due to network latency.
Impacts on billing	After you downgrade a VPN gateway and submit the order, the system bills the VPN gateway based on the new configuration. For more information, see Billing rules.
Scenarios	You can downgrade a VPN gateway based on your business requirements.

Log on to the VPN Gateway console.
In the top navigation bar, select the region in which the VPN gateway resides.
On the VPN Gateways page, find the VPN gateway that you want to downgrade and click Downgrade in the Bandwidth column.
On the VPN Gateway | Downgrade page, modify the configuration of the VPN gateway.
You can downgrade the maximum bandwidth, disable IPsec-VPN or SSL-VPN, or downgrade the SSL specification for a VPN gateway.
In the Terms of Service section, read and select the check box to agree to the Terms of Service, click Buy Now, and then complete the payment.