Scenario: Travel VPN Device that has both WiFi and Lan connectivity with the option of using Tailscale configureed to use an exit node from a home network. The hardware utilized is the GL.iNet (1800 model) for the Wifi repeater.
Hardware and Software:
- Device: GL.iNet GLAXT1800
- Slate AX is our first Wi-Fi 6 travel router that comes with IPQ6000 1.2GHz quad-core processor. With the latest Wi-Fi 6 technology, you can enjoy more capacity for connected devices and faster wireless speed on the road or at home.
- This is a highly capable and configurable device if you are willing to get into the advanced settings and understand Firewall and Network configuration. For those that aren't well versed, the Admin GUI should suffice for most situations and is fairly straitforward.
- TailScale: Tagline - Its a Network that Just Works
This is not a full review or tutorial on Tailscale or the GL.iNet device. This is primarily the steps taken to enable tailscale on the GL.iNet device which is considered beta at this writing. Due to the issues I encountered I chose to document the steps I took to make the GL.inet device functional with Tailscale specifically as this use case warranted having a VPN like connection to a home network. While an SSLVPN may have worked, it was more ideal to use the Tailscale solution so that anyone who connected to the device (wirelessly or hardwired) would be routed as if they were on their home network. This would also eliminate the need for a traditional paid VPN service like NordVPN, ProtonVPN, PIA, SurfShark, etc, which all work very well.
One of the requirements of this exercise was to create a connection that would not necessarily be identified as a VPN. Most traditional VPN's can be detected (if you question that, please feel free to read up on the matter).
Tailscale has a substantial set of documentation that covers the nuances of their product. GL.iNet also has a Tailscale "howto" that I'll reference but did not work when trying to configure it to use an "exit node". Again the tailscale.com website has a wealth of documentation and tutorials to help educate a first time user.
Prerequisites that are not covered:
- GL.iNet device (or similar device.
- Configure Network Mode as a router
- Connect to a local WiFi or Lan and verify connectivity and functionality.
- Upgrade the Firmware.
- Tailscale
- Create an account (free) and setup/configure
- Install client on at least two machines and connect to your account.
- They should be visible in the tailscale admin portal immediately.
- One machine to use for testing the connection and another that will act as an Exit Node.
- On my MacPro and iPhone the configuration took less than 2 min.
- Tailscale.com documents how to install the client on numerous platforms, even your AppleTV. Roku users, sorry no app for you (yet).
- Create an Exit Node.
- This is essentially one of the machines connected to your tailscale account that you then configure as an Exit Point for any traffic from another machine. AND this machine should be one that you can leave on so that it is accessible as an Exit Node.
- Note: You must not only setup the client software as an Exit Node, but you also log into the Admin Portal for Tailscale, click the 3 dots on the end of the corresponding device, choose "edit route settings" and then select "use as Exit Node"
- In my experience you can't select this in the admin portal until you've actually configured the client, on the machine in question" to be an exit node. The machine will not function as an exit node unless both client and admin portal are set.
- Verify that you have a working account and know how to configure a device to use an "Exit Node".
- Troubleshooting any issues will be much easier if you have completed these steps and have verified the functionality.
- Configure a device with Tailscale and set it to use your "exit node". (Critical that you know this is working)
- Enable tailscale from the Applications section with in the GL.iNet.
- Tailscale Howto https://docs.gl-inet.com/router/en/4/interface_guide/tailscale/
- Note that when you enable it, you still need to "connect" it to your account. There is link provided that will authenticate and associate the GL.iNet device to your account. You can easily verify that it is listed in Tailscale portal under "Machines".
- Within the Tailscale Admin Portal, Select the APPROVE the listed routes associated with the GL.iNet device. They make it easy and have pre populated it.
- Select the 3 dots at the end of the corresponding device.
- Choose "edit route settings" and then check the route box(s) and approve.
- Once the above steps are complete, go back into the admin console of the GL.iNet device ->Applications -> Tailscale.
- Choose "Use Exit Node"
- Select the corresponding IP address from the drop down list.
- choose apply.
- Log into GL.iNet admin
- Typically 192.168.8.1
- Go to the Advanced Section.
- Follow the link provided for a secondary Advanced Admin Portal
- Typically 192.168.8.1/cgi-bin/luci
- Go to Firewall -> WAN ZONE -> Edit -> Advanced Settings (Tab) -> select Tailscale0 from the list of "covered devices"
- there shouldn't be any others selected, but a tailscale0 option should be selectable.
- Save
- on the next screen Save/Apply again.
- Clients connected to the GL.iNet device will now route traffic as expected
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