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[Question] How should I configure Tailscale app connectors and/or subnet routing for HomeKit Secure Video? (links.hackliberty.org)

submitted 5 months ago by [email protected] to c/networking

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Basically, I’m running Tailscale on most of my devices and using subnet routing on a Raspberry Pi for non-Tailscale devices.

My problem is that while using an exit node streaming video from cameras in the iOS/macos Home apps is entirely too slow. I can see from App Privacy Report that it attempts to connect to my home network’s WAN address, so I’ve set up subnet routing to bring in any traffic to any of ISP’s networks through the Raspberry Pi at home (this also makes it possible to use said ISP’s streaming app on Apple TV as if I were at home).

I know that Home doesn’t connect to the cameras locally at all, because I can tear down all the Tailscale stuff and not see any traffic between the client and the camera on the LAN.

Has anyone have a clue how to go about configuring this? Thanks in advance!

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[–] [email protected] 1 points 5 months ago (1 children)

This is why I'm recommending IPv6. If you have global unique addresses for all your devices, including on your local network, it makes tail scales job much easier

[–] [email protected] 2 points 5 months ago* (last edited 5 months ago) (1 children)

I’m really big on IPv6 adoption but you’re probably right — I have no clue which subnet to advertise on Tailscale for IPv6. Also, the subnet router happens to be the only device I can’t seem to get IPv6 to work on (Alpine Linux). Each time I’ve tried I ruined my /etc/networking/interfaces and had to plug the hard drive into another machine to undo my changes.

[–] [email protected] 2 points 4 months ago* (last edited 4 months ago) (1 children)

For what it’s worth, I believe Tailscale on the Apple TV blocks IPv6. In fact, if you activate Tailscale on your HomeKit Hub, it has the side effect of all thread devices no longer responding until you disconnect from Tailscale and reboot the Apple TV. It’s a major pain in the ass for my small HomeKit / Thread setup.

Here’s the corresponding bug report on GitHub.

[–] [email protected] 1 points 4 months ago

I’ve actually had Tailscale disabled on it for some time now because my ISP’s (a cable operator) TV app knows via some tvOS API that a VPN is running and effectively shuts down.

My solution is to remove the Tailscale app completely, then when traveling put it behind a travel router (this works fantastically).

I’ll have to look into resolving my issue again soon; I just haven’t had time to follow up on this.