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ramakrishnanv's avatar
ramakrishnanv
Copper Contributor
Jan 23, 2022

Virtual Network Gateway

Hi There, 

 

I wanted to setup a Express route gateway and VPN on my Virtual Network gateway. I have Hub and Spoke model, where I create one subnet "GatewaySubnet" on hub vnet, Can I able to create two Virtual gateway one for Express route and another for S2S VPN for 3rd Party partners / Supporting vendors / B2B and so on. Any reference link much appreciated. 

As far I understand, generally  Virtual Network gateway would be use either one for On-prem connectivity or VPN as fall back. But in this scenario 

Express Route for ---> On-prem Connectivity 

VPN for ---> 3rd party S2S VPN. 

4 Replies

  • This page explains how to configure an ExpressRoute and S2S VPN alongside each other. Does that help?
    https://docs.microsoft.com/en-us/azure/expressroute/expressroute-howto-coexist-resource-manager
    • ramakrishnanv's avatar
      ramakrishnanv
      Copper Contributor

      ChrisBradshaw 

      Thanks for your response. 

      Basically we wanted to achieve as shown in below:

      With out forcing the traffic to PAFW I can successfully establish the tunnel. Spoke to Spoke communication also working as expected. But I wanted force the traffic PA first then pass on to VPNGW in order to establish the tunnel. Similarly from outbound after VPN lands on VPNGW it should be pass thru PAFW. 

       

       

      • ChrisBradshaw's avatar
        ChrisBradshaw
        Iron Contributor

        ramakrishnanv 

        Have you implemented any User-defined routes here? I would suggest that your spoke subnets might need a default route where the next hop is the Virtual Appliance address of the firewall. The firewall in turn would then have a next hop of the VPN connection:

        Some details on User Defined Routes here: https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-udr-overview

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