Upgrade or downgrade a VPN gateway - VPN Gateway - Alibaba Cloud Documentation Center

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, SSL-VPN, or increase the SSL specification for a VPN gateway. Enable IPsec-VPN and 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 1000 Mbit/s. If the bandwidth of your VPN gateway is 500 Mbit/s, you can upgrade the bandwidth to only 1000 Mbit/s. 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.
Supported 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 of the VPN gateway.
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 Terms of Service, click Buy Now, and then complete the payment.

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 downgrade the SSL specification for a VPN gateway.
Downgrade limits	If the bandwidth of your VPN gateway is 1000 Mbit/s, you can downgrade the bandwidth to only 500 Mbit/s. If the bandwidth of your VPN gateway is 500 Mbit/s, you cannot downgrade the bandwidth. During the downgrade process of the bandwidth, if the transmitted traffic of a VPN gateway exceeds the maximum bandwidth, connections may be interrupted. We recommend that you configure automatic reconnection for your services. During the downgrade process of the SSL specification, connections may be interrupted if the number of connected clients exceeds the SSL specification. We recommend that you configure an automatic reconnecting mechanism.
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.
Supported 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 of the VPN gateway.
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 Terms of Service, click Buy Now, and then complete the payment.