Migrate from Classic VPN to HA VPN gateways.

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I have configured a classic VPN gateway. Now I have a requirement to migrate this to a HA VPN. What's the way to do it?
Nov 13, 2019 in GCP by anonymous
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1 answer to this question.

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To move from Classic VPN to HA VPN gateways and tunnels, perform the following steps:

  1. Create a new HA VPN gateway, Cloud Router, and VPN tunnels to connect your Virtual Private Cloud network to your peer network. Follow the directions in Creating an HA VPN gateway to a Peer VPN gateway. The new HA VPN gateway you create will have two new external IP addresses.

  2. Verify that the new tunnels are working and check the configuration of your HA VPN gateway for high availability

  3. Delete the tunnel or tunnels connected to the Classic VPN gateway. if the previous VPN tunnel or tunnels were policy based or route based, remove any leftover custom static routes.

  4. Delete the Classic VPN gateway and release any static external IP addresses it used.

Refer https://cloud.google.com/vpn/docs/how-to/moving-to-ha-vpn for more details. 

answered Nov 13, 2019 by Sirajul
• 50,440 points
Connect a HA VPN gateway to a Classic VPN gateway using a tunnel

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