I've had a site-to-site VPN working for some time. Today I noticed it is no longer working. How do I troubleshoot this? I dont see any indicator of an error or problem.

@Fae Success! Thanks for the last suggestion and you're overall guidance. I had to open up the ports you noted. I retried adopting, but I got an authentication error. I went into the site manager and...

Thanks for that Fae. That is the one step I neglected to do. I created a new site. I've gotten a little further, but still have not successfully adopted. I tried adopting the router using the...

I have an existing Omada site configured on one site. This site has the OC200 and the router whcih is an ER605. I am trying to add another ER605 from a remote site. I am able to get the device to...