Modifying Site-to-Site VPN tunnel options

You can modify the tunnel options for the VPN tunnels in your Site-to-Site VPN connection. You can modify one VPN tunnel at a time.

Important

When you modify a VPN tunnel, connectivity over the tunnel is interrupted for up to several minutes. Ensure that you plan for the expected downtime.

To modify the VPN tunnel options using the console

Open the Amazon VPC console at https://console.aws.amazon.com/vpc/.
In the navigation pane, choose Site-to-Site VPN Connections.
Select the Site-to-Site VPN connection, and choose Actions, Modify VPN Tunnel Options.
For VPN Tunnel Outside IP Address, choose the tunnel endpoint IP of the VPN tunnel that you're modifying options for.
Choose or enter new values for the tunnel options. For more information, see Tunnel options for your Site-to-Site VPN connection.
Choose Save.

To modify the VPN tunnel options using the command line or API

(AWS CLI) Use describe-vpn-connections to view the current tunnel options, and modify-vpn-tunnel-options to modify the tunnel options.
(Amazon EC2 Query API) Use DescribeVpnConnections to view the current tunnel options, and ModifyVpnTunnelOptions to modify the tunnel options.

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Modifying a Site-to-Site VPN connection's target gateway

Editing static routes for a Site-to-Site VPN connection