connecting multiple vnets and vpn-gateways in Azure

Mark Polinder 1 Reputation point
2021-01-27T10:37:56.617+00:00

Dear communicty,

I'm having some trouble with networking throught a VPN gateway. This is the setup. I've not configured any routes or whatsoever.

60963-thumbnail-image017.png

What do I have to configure to get this working?

I want to be able to connect devices from subnet 10.129.0.0/16 to subnet 172.31.255.0/29.

Azure VPN Gateway
Azure VPN Gateway
An Azure service that enables the connection of on-premises networks to Azure through site-to-site virtual private networks.
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Azure Virtual Network
Azure Virtual Network
An Azure networking service that is used to provision private networks and optionally to connect to on-premises datacenters.
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2 answers

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  1. Mark Polinder 1 Reputation point
    2021-01-27T11:39:47.857+00:00

    the last subnet (10.117.20.0/24) is a onprem network which is peered with a basic vpn-gateway. The gatewaysubnet is peered with the subnet where the vm's are hosted. This is another vnet.

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  2. SaiKishor-MSFT 17,211 Reputation points
    2021-02-02T06:44:17.99+00:00

    @Mark Polinder So if I understand you, you want to connect from on-premise subnet(10.117.20/24) to the 10.129/16 subnet, right? Have you enabled peering with gateway transit in order to establish this connectivity? Here is a document that explains how to do the same- https://learn.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-peering-gateway-transit?toc=/azure/virtual-network/toc.json