I am on Rogers internet in Canada and the modem is in bridge mode with my Flint 2 picking up public IP address. Recently shortly after the OTA upgrade to 4.8.2 I started to experience intermittent issues with DNS resolution. It would fail to resolve a few times in a row then work ok. I thought the easiest thing to try would be to roll back. The next stable version available on the official portal is 4.7.7. I performed a local upgrade with keeping the settings. Suddenly the internet stopped working. It would connect successfully, but the clients and the router itself just wouldn’t be able to connect to the internet. Unplugged my modem and tried to connect the router to the internet through my cellphone’s hotspot. Same result. Ended up downloading the 4.8.2 again from the phone, and pulling the file to the router from the phone. Upgraded to 4.8.2 keeping settings again and now the internet is working. My question is: what is going on ?? Why does rolling back an upgrade breaking all means of connecting to the intertnet? It’s still not clear if the DNS issue has gone away or not, since it’s hard to replicate it. It might be related to 4.8.2 or it might not me.
I know it's coming too late but the GL.iNet firmware supports three+ DNS technologies types OOTB. The most commonly used are 'classic'/unencrypted DNS on port 53, encrypted DNS over TLS on port 853 or DNS over HTTPS on port 443.
You can set/choose between them @ GL GUI -> Network -> DNS. If there's a problem with one DNS provider there'd be another to test against.
Actually I am using AdGuard Home feature, also out of the box. I suspect that the DNS issues might have to do with some new problems in that area. Never had problems like that before neither on this relatively new router (a few months old) nor on the old ones Flint 1 and 2 that I’ve had for years before this one.
Me and another user reported something not working related with AdGuard: Flint 2 (4.8.2) AdGuard Home dns proxy
@bruce I should add I'm not using adguard home but I am using the encrypted dns feature.
Hi
I have exactly the same problem. I am in Canada with Rogers Xfinity Internet and 4.7.7 works, 4.8.2 has constant problems resolving web pages. I downgraded back to 4.7.7 and yes my devices lost Internet connectivity. I upgraded again and had same page load problems, so I have downgraded back to 4.7.7 for now.
I am surprised there have been no other complaints as I'm sure its not just related to Rogers cable.
How did you end up getting Internet working on 4.7.7? It just started to work on the second downgrade attempt?
I ended up resetting the router and redoing my settings, that was the only way I could get internet back.
I experienced the same issue: after upgrading to 4.8.2, I started getting random disruptions and web pages failing to load. Disabling AdGuard Home seemed to resolve it, but for now I’ll roll back to 4.7.7 and wait for a fix.
Hi
The feature to preserve configurations during downgrades is not yet fully supported in the current version and may cause some issues.
We have submitted this requirement to the development team and hope to see improvements in future releases.
For now, you can use Luci to back up the current version's configuration, then perform a configuration-preserving upgrade to the new version.
If you encounter any problems, you can roll back to the previous version without preserving configurations and import the backed-up configuration file.
So the recommendation is to always backup settings before performing an upgrade?