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I have topology as attached picture, now the traffic from on-prem will go to azure vpn1 if the destination is 10.210.0.0/16 and go to azure vpn2 if the traffic destination is 10.220.0.0/16.
With this topology can we make the link for redundant, so if link between on-prem1 to azure vpn1 is down, the traffic to 10.210.0.0/16 will go to azure vpn2 then to vnet2 and finally reach to vnet1 (of course i also change routing to 10.210.0.0/16 to on-prem2)?
If you are using two separate Virtual Network Gateways for the VPN tunnels then you will not be able to peer the VNETs as it's only support to have one gateway.
What are you looking to achieve here? You can get dual redundancy built into the Virtual Network Gateway directly.
Hi @Alan Kinane
Thanks for your information.
Yes i aware we can use like that diagram but for that we must use BGP, and here i want to prevent from using BGP.
Hi @Handian Sudianto ,
this should be possible. You have to configure the routing properly and also you have to change the settings of the peering between vnet1 and vnet2 ( Virtual network gateway - Use this virtual network's gateway / Use the remote virtual network's gateway).
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(If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)
Regards
Andreas Baumgarten
Thanks for your information.
With that topology we have 2 path from on-prem to the azure, but if a host from 10.210.0.0/16 initiate the connection to which path the traffic will be forwared? Directly to azure vpn1 and to on-prem1 or to vnet2 - azure vpn2 and then to on-prem2?
Hi @Handian Sudianto ,
this depends on the routing and setting of the peering you configured.
If VPN1 is not available you have to change the routing and the setting of the peering. This way all the traffic should use the VPN2.
If VPN1 is available again you have to change back the routing and peering setting.
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(If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)
Regards
Andreas Baumgarten
If we set route to the azure via vpn1 on the on-prem and the peering from vnet1 and vnet2 using 'Virtual network gateway - Use this virtual network's gateway / Use the remote virtual network's gateway', so to which way host located in subnet 10.201.0.0/16 will initiate the traffic?