@downtheroad In theory config is saved on Controller. SO after FW downgrade the device will be adopted again according to your controller's saved settings :) I have just done downgrade to my EAP and...

For anyone interested in this topic. After some addiditonal testing I've "discovered" that only 10% (or less) of the issues is connected with WAN itself, therefore I could safely say that this part...

@Wyciu Hi, If I recall correctly in my configuration I was doing ACLs to Deny connection between VPN network and some VLANs (to do so I had to add IP Group which covered VPN's IP Pool). Also, I do...

@Clive_A There is no optic fiber. Those are cellular carriers who provide Internet via 4G/5G network. I guess I'll try some more tests and then leave it be, unless someone in here has some idea what...

@Clive_A Hi, Thank you for your reply. I was leaning towards the same conclusion and that's why I've replaced old modem (Huawei B525-23a) to newer one (Huawei B535-232) and the to the newest one...

Hi, Lately I have faced some strange behavior in one of my networks. I've tried to investigate and check few solutions but without luck and now I'm out of ideas. Maybe you could help me and suggest...