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Hands-On Networking with Azure by Mohamed Waly

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VNet2VNet connection key points

The following key points are recommended to be considered when working with VNet2VNet connections:

  • Communications between VNets is not high, as it is constrained by the VPN gateway speed
  • Ensure that there are no IPs overlapping between the two VNets
  • To avoid unexpected functioning of VPN gateways, avoid associating NSGs to gateway subnets
  • Traffic between VNets in different regions is charged for the outbound traffic
  • Traffic flows between VNets via the Microsoft Azure backbone network
  • IPsec/IKE encryption is used to protect the VNet2VNet connection
  • A VNet2VNet connection between public Azure VNets, and German, US Government, and Chinese Azure VNets cannot be created
  • A VNet with a route-based VPN type cannot ...

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