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24.1 Legacy Series / Re: Adding Tailscale interface causes assignment loss
« on: April 22, 2024, 09:50:45 pm »
I am having the same issue. My setup is also virtualized, though through Proxmox, and just like you I followed the install instructions of Tailscale on their knowledge base that you linked to.
I had made some other configuration changes as well when I experienced this the first time but as I then changed all the settings I made since one by one with a reboot in between, I can definitely confirm this is the Tailscale interface that is the cause.
I noticed the interface has a MAC-address of 00:00:00:00:00:00 and thought this might be the issue but manually setting a MAC-address does not solve the issue.
OPNsense and Tailscale are both fully up to date, running version 24.1.6 and 1.64.1 respecitvely. Don't really know where to go from here since I'm rather new to Tailscale.
That being said, Tailscale does still work regardless of the interface being enabled or not. So I have now resorted to managing my access to the subnets through Tailscale's ACL rather than OPNsense's firewall rules but I would still like to have it as interface in OPnsense so I can manage it and firewall it like any other interface.
I had made some other configuration changes as well when I experienced this the first time but as I then changed all the settings I made since one by one with a reboot in between, I can definitely confirm this is the Tailscale interface that is the cause.
I noticed the interface has a MAC-address of 00:00:00:00:00:00 and thought this might be the issue but manually setting a MAC-address does not solve the issue.
OPNsense and Tailscale are both fully up to date, running version 24.1.6 and 1.64.1 respecitvely. Don't really know where to go from here since I'm rather new to Tailscale.
That being said, Tailscale does still work regardless of the interface being enabled or not. So I have now resorted to managing my access to the subnets through Tailscale's ACL rather than OPNsense's firewall rules but I would still like to have it as interface in OPnsense so I can manage it and firewall it like any other interface.