Site-to-Site VPN - IP address redirection

duemetri · April 2023

hi all, a question: 4 sites (A B C D) - site A and B are connected with a VPN - B is also connected with other VPNs to C and D. in site B it is possible to assign an IP of its own subnet to the sites C and D so that they are reachable from site A?

BWC · April 2023

@duemetri NAT is the only option here if you don't wanna go exotic with EoIP etc.

If it's just a single device each I would try to renumber them to a new subnet at each spoke.

--Michael@BWC

BWC · April 2023

@duemetri it's called Hub and Spoke, this should give you some inspiration:

https://www.sonicwall.com/support/knowledge-base/implementing-hub-and-spoke-site-to-site-vpn-video-tutorial/170503738192273/

--Michael@BWC

duemetri · April 2023

Thanks for the reply Michael, very interesting. I'm left with the problem of having a device in the SPOKE nodes that has an IP address of the SUBNET of the HUB node, maybe at this point I can solve it with a NAT in the HUB node

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Site-to-Site VPN - IP address redirection

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