ZeroTier strange behavior advice needed

[Novodk]

We have a LM at a customer where the KNX installation have 2 lines:
Router 192.168.1.1
LM = 0.0.255 IP: 192.168.1.2 Subnet: 255.255.0 Gateway: 192.168.1.1
IP Router 1: 1.1.0 IP: 192.168.1.3 Subnet: 255.255.255.0 Gateway: 192.168.1.1
IP Router 2: 1.2.0 IP: 192.168.1.4 Subnet: 255.255.255.0 Gateway: 192.168.1.1


When I'm on site and connected to the network everything works as expected.
But when I connect over ZeroTier and scan line 1.1 I only get around half the components!
I even made a new ZeroTier network where I only have the LM and my computer in, still doesn't work

Strange thing is that I can´t see/ping the IP router on line 1!

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Any advice?

[Daniel]

It is probably just timeout due to remote access. ETS is expecting answer in X time and probably this is exceeded.

[Novodk]

Okay, that makes sense.
But if I do an Individually Address Check to 1.1.0 it finds it, but if I then try and download to that component it comes with this error:
Connection closed after too many TL errors to 1.1.0.

Is there anything I can do to fix this?
Could it be something on the sites network that is blocking the connection, or making it slow?

[Daniel]

Does the same works locally?

[Novodk]

Does the same works locally?

Yes, everything works locally

[Daniel]

Then it looks like some network/internet speed issue. Hard to say exactly.

[Novodk]

After thinking about this for a while, I think we have some conflicts in the installation!
You are not supposed to have 2 IP devices on 1 line right?
If so, should the LM mode be changed to "IP ROUTING" instead and disconnect the TP line?

[Daniel]

Yes, the IP router 1.3 is not needed at all here. Otherwise change LM connection to IP routing.