See the UDP and NAT-T section in the Superior overview for info on how to configure your peer device to guidance NAT-T with Cloud VPN. Cloud VPN are not able to be applied exclusively as a transit network.
Carefully review the GCP Services Certain Phrases ahead of you use Cloud VPN. Do not use Cloud VPN tunnels to join two or far more on-premises networks for the sole intent of passing site visitors by way of a VPC network as a transit community.
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Hub-and-spoke configurations like this are a violation of the GCP Services Precise Terms. Active/Energetic and Energetic/Passive routing choices for HA VPN. If a Cloud VPN tunnel goes down, it restarts mechanically. If an entire virtual VPN machine fails, Cloud VPN mechanically instantiates a new a person with the exact configuration.
The new gateway and tunnel link instantly. VPN tunnels connected to HA VPN gateways will have to use dynamic (BGP) routing.
Depending on the way you configure route priorities for HA VPN tunnels, you can make an lively/active or lively/passive routing configuration. For both of those of these routing configurations, both of those VPN tunnels keep on being active. In an Energetic/Lively routing configuration , the productive combination throughput is the blended throughput of equally tunnels. Your peer gateway advertises the peer network’s routes with equivalent MED values for just about every tunnel. The Cloud Router running the Cloud VPN tunnels imports these as custom made dynamic routes in your VPC network with similar priorities.
Egress traffic sent to your peer network makes use of Equal Price Multi-path (ECMP) routing. The identical Cloud Router also advertises routes to your VPC community using similar priorities.
Your peer gateway can use these routes to veepn deliver egress traffic to GCP utilizing ECMP as perfectly. If one particular tunnel turns into unavailable, the Cloud Router withdraws the discovered tailor made dynamic routes whose next hops are the unavailable tunnel. This withdrawal approach can just take up to forty seconds, during which packet reduction is predicted. Furthermore, following reducing from two active tunnels to a single, the helpful overall throughput is lower in half, which can outcome in slower connectivity or dropped packets. An Lively/Passive routing configuration works by using a most of just one tunnel at a time, so that the 2nd tunnel is capable to take care of all of your egress bandwidth in the function that the initial tunnel fails and wants to be unsuccessful more than.
Your peer gateway advertises the peer network’s routes with diverse MED values for every tunnel. The Cloud Router handling the Cloud VPN tunnels imports these as personalized dynamic routes in your VPC community with different priorities.
Egress targeted visitors despatched to your peer community uses the route with the best priority as very long as the related tunnel is accessible. The very same Cloud Router also advertises routes to your VPC community employing distinct priorites for every single tunnel. Your peer gateway can also only deliver targeted traffic to GCP working with the tunnel with the optimum priority. If one tunnel gets unavailable, the Cloud Router withdraws the discovered tailor made dynamic routes whose next hops are the unavailable tunnel.