Tp-link vr900 won't connect

[#1]

I have a new Tp-link vr900  and it does not seem to like conencting to plus net as a modem / router.

Been through the set up process and it tells me there is no connection - although I know there is a VDSL signal, the modem will not sync and disconnects.

However it is fine if I use the unit as a wireless router via WAN conenction via my old BT Fibre Modem. Then I am able to log in to my Plus net account and authenticate a session.

Any ideas why this might be?

All cables and connections are good.

I have a static IP.

Many thanks

Graham

[#2]

Even though you have a static IP address you should set up the modem to always get the IP address via DHCP (ie dynamic) You will always get the same address though.

[Browni]

Thanks Browni

Not changed any DHCP options - Just gone through the standard TP lLink set up process. I Get a flashing DSL / Broadband led (should be steady)  but no Internet led. Router log in page says cables are disconnected - but they are not!

Wi Fi and Ethernet networking are OK

when used as a cable (WAN) router then it is fine and Internet led is on and steady .

Maybe the modem is faulty?

[#4]

Have you tried a different DSL cable ?

[#5]

yes have tried varous DSL cables inc the one it came with. They all work fine with other modem routers

[#6]

Sounds like the router's faulty then. We've seen at least one of them before https://community.plus.net/t5/Fibre-Broadband/TP-Link-AC1900-Archer-VR900-unable-to-connect-to-inter...

[#7]

Have you ensured you're running the latest firmware?

Is the VLAN ID set to '101' in the PPP connection settings? (See attached)

I'm using the same router without any problems. 

[#8]

Hi Bob

Well the TP Link  unit is brand new out of the box. Can't see why it would not be running the latest firmware.But I will check.

It works in wireless router mode when I plug my BT Modem into the WAN / LAN 4 port.

VLAN Settings are exactly as you describe since for Plus net VDSL there is no other option.

Anyway have decided to return as TBH its a bit of an ugly beast as well.

Thanks for your input!

Graham