Tunnelling Protocol with dynamic tunnel setup like OpenVPN Server

Follow-up from another post but asking separately for visibility.

Is there a tunneling protocol that can operate like OpenVPN server where the server-side tunnel daemon dynamically handles all of the connections and tunnel IP management and can push route information to the client?

OpenVPN in a simple setup allowing duplicate CNs can do this, there can be a single server config on the router (server) and 1-N number of clients can use a single static client config (only needing the server IP details) and each will be dynamically allocated a tunnel IP upon connection and get route information pushed from the server.

Essentially OpenVPN but without any encryption/auth. The intent is to create a VXLAN type setup but without the need to specify static tunnel configs on every client node.

well there is openvpn with cipher and authentication none

That is my fall-back plan :slight_smile:

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https://openwrt.org/docs/guide-user/network/tunneling_interface_protocols
Maybe pptp.

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