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Have you looked into PFSense's ability to support multiple WAN IPs on a single WAN interface? Or are you strictly trying to separate the edge router and an internal router(Sounds like PFSense would be your internal router)?
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Martin Nguyen

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Pfsense is my internal router and unfortunately I can't present it with my public IPs (that would be the best way).
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What were you planning to use for your method of L2TP? PFSense supports doing OpenVPN/L2TP over multiple WANs. I think you would be able to use most common linux distributions for something like this, each just requiring different configuration steps. <br />
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Here is a netgate document on this process: <a href="https://docs.netgate.com/pfsense/en/latest/routing/multi-wan-openvpn.html" rel="ugc">https://docs.netgate.com/p<wbr />fsense/en/<wbr />latest/rou<wbr />ting/multi<wbr />-wan-openv<wbr />pn.html</a><br />
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My recommendations for distros are strictly based on my own experience of using OpenVPN mainly with both CentOS and Ubuntu.
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Alexandre Takacs

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Interesting perspective - haven't thought to do it like this but seems perfectly doable. Thanks.
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You're welcome!<br />
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Good luck!
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I'd have a *nix box sitting on the open internet with an L2TP tunnel to our LAN (PFSense router). Everything works fine as is but I'd like to be able to use the multiple public IPs I have available on the *nix machine to route / NAT traffic into our LAN (in effect having multiple public IPs to play with, both inbound (mainly)/outbound.<br />
I feel relatively comfortable with our router but I am seeking advice about the &quot;edge&quot; machine, with the understanding that it has to be some Linux distro. What tools would you use to configure such a setup ?<br />
<br />
Any suggestion / pointer welcome
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I'd have a *nix box sitting on the open internet with an L2TP tunnel to our LAN (PFSense router). Everything works fine as is but I'd like to be able to use the multiple public IPs I have available on the *nix machine to route / NAT traffic into our LAN (in effect having multiple public IPs to play with, both inbound (mainly)/outbound.
I feel relatively comfortable with our router but I am seeking advice about the "edge" machine, with the understanding that it has to be some Linux distro. What tools would you use to configure such a setup ?

Any suggestion / pointer welcome

Advice sought for Linux setup as edge server

Linux is a UNIX-like open source operating system with hundreds of distinct distributions, including: Fedora, openSUSE, Ubuntu, Debian, Slackware, Gentoo, CentOS, and Arch Linux. Linux is generally associated with web and database servers, but has become popular in many niche industries and applications.

Linux

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network securely. VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.