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VPN - WireGuard

WireGuard is a new, simple, and fast VPN implementation and protocol. For comparison, the older L2TP/IPsec VPNs typically will achieve about 100Mbps, but WireGuard VPNs may reach speeds upward of 300-400Mbps on the same hardware, or higher on a high-end workstation.

In addition to its speed, WireGuard has some great features such as built-in roaming (a single encrypted packet moves the tunnel to your new IP), cryptokey routing, and formal cryptographic verification.

On the other hand, it also has some challenges, such as pre-key exchange and a lack of automatic address assignment. Both of these problems require manual configuration on both ends of the tunnel. Cryptokey routing also presents its own challenges in some situations.

A WireGuard VPN is best suited for connecting single end-user devices such as laptops and phones to the mesh over the internet from a location that has no mesh access.

Routing over WireGuard

WireGuard, like other VPNs, can be used in conjunction with a routing protocol, such as OSPF which we use in NYC Mesh. However, there are some challenges with WireGuard and routing.

These challenge are highlighted on another page, as it is a longer and more technical discussion.

Please see VPN - WireGuard + OSPF

Device support

WireGuard implementations are being developed on a variety of platforms. The following list provides an overview, but see the WireGuard Installation instructions for further details.

  • Linux: Yes!
  • Android devices: Yes, some - See WireGuard website
  • OpenWRT: Yes, in LEDE on latest versions, in certain builds
  • Apple devices: Yes, some - See Wireguard website
  • Mikrotik devices: Starting in RouterOS 7.1beta2
  • Ubnt routers: No (well, technically yes, but the module has caused lots of problems, so please don't use it yet)
  • Windows devices: Yes, some - See WireGuard website

Endpoints

Supernode 1:

  • IPv4/6: wgvpn.sn1.mesh.nycmesh.net:51820
  • Supported connect methods:
    • End Device
    • OSPF - Not Yet
    • BGP Node-Peering - Now legacy, please do not use

Supernode 3:

  • IPv4/6: wgvpn.sn3.mesh.nycmesh.net:51820
  • Supported connect methods:
    • End Device
    • OSPF Node-Peering

How To Connect

Connecting end-devices

  1. Ensure WireGuard will work on your device
  2. Generate a Wireguard public key, and give it to Zach. (https://www.wireguard.com/quickstart/#key-generation)
  3. Zach will give you the server public key and assign you an IP address. This will change later, but just for now to get the docs out, this is what we currently do.
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