Azure p2s

Question

I have configured P2S connection and then I can able to access the Server's within the Vnet where i created Vnet Gateway and p2s.

Kindly let me know how to access the Server's in other Vnet's.

Note: I have tried accessing other VM's from different Vnets , But no luck and its failed.

Thanks,

Madhan Mani

Answer 1

Greetings,

If you have configured P2S connection between ayour server and a single vnet then you will be limited to access the resources only in that VNET. Inorder to extend your connectivity to other VNET's you need to provide a direct VNET peering between them by enabling certain features like,

1. Gateway Transist
2. Using remote gateweays options.
   You can even deploy S2S connection between those VNETs with BGP running for routing purpose else you will not able to reach those VNET's over S2S tunnels.

Fig1:S2S with BGP

Fig2:Direct Vnet Peering

Note: Access is not transitive and is limited to only directly peered VNets.

Here is a clear documentation explaining about point to site connections with multiple VNET scenerios.

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Answer 2

Apologies for the delayed response. Azure offers you flexibility to choose the right medium of connection that suits your infrastructure. In that context,

Vnet Peering: VNet peering enables you to seamlessly connect Azure virtual networks. Once peered, the VNets appear as one, for connectivity purposes. The traffic between virtual machines in the peered virtual networks is routed through the Microsoft backbone infrastructure, much like traffic is routed between virtual machines in the same VNet, through private IP addresses only. No public internet is involved.

VPN Gateway: A VPN gateway is a specific type of VNet gateway that is used to send traffic between an Azure virtual network and an on-premises location over the public internet. You can also use a VPN gateway to send traffic between VNets. Each VNet can have only one VPN gateway.

Note : VNet Peering and VPN Gateways can also co-exist via gateway transit

Here is a blog that explaine the Differences between VNet Peering and VPN Gateways.

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Please do not forget to "Accept the answer" wherever the information provided helps you to help others in the community.