I have changed some of my setup and something is not playing nicely.

I have,
Draytek Vigor 130
Unifi USG Router
Unifi Switch POE

ISP Zen FTTC

As I am aware the Vigor 130 should be plug and play and it worked fine with my other kit (Amplifi HD). I have checked everything on the Unifi side including cables etc and it seems fine. My ISP has been running a smoke ping (whatever the hell that is) and has suggested something wrong with the Vigor 130.
I think I might be better setting in bridge mode but there seems to be different types of bridge mode, so i am a little lost. Is there anything specific I should look out for when setting bridge mode?
Also in bridge mode I cannot access the Vigor 130 but from time to time I would like to access it and check my line throughput, is there a simple was to set this part up?

I have reset the modem but there seems to be two different BT firmwares available and it does not explain the difference.

Thanks

With a Draytek router you can do this https://www.draytek.com/en/faq/faq-connectivity/connectivity.wan/how-to-access-vigor130-in-bridge-mode/

Set up this way I can access my 130 from the LAN, it happens to be on 192.168.130.1

I have no idea if you can do the same with a Unifi router.

If the Vigor 130 was working on your previous kit , it is clearly not the problem.

The thing is i cant be certain interleaving was not applied before. I have only checked the line speed once the new kit was installed.

Interleaving is usually in response to an issue on the line between the cabinet and your home , noise/interference or an event like lightning.

Once the line is interleaved the system can take 30 days of stable conditions to reset to fast path. I doubt changing router is anything to do with what you are seeing.

Thanks for the reply, i thought the same but im lost to what it could be.