TD-W9970 VDSL modem/router LAN4/WAN port question

TD-W9970 VDSL modem/router LAN4/WAN port question
TD-W9970 VDSL modem/router LAN4/WAN port question
2017-11-29 10:03:12
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Hi, I have a question about the LAN4/WAN port in TD-W9970 VDSL modem/router.

I am getting VDSL Internet service, and I am plugging in a phone cord into the TD-W9970's DSL port.

But I notice that, in its default Modem/Router mode setting, there seems to be an unknown bridge-type WAN connection in the Network->WAN page, in addtion to my VDSL connection, and this connection seems related to LAN4 port.

If I delete this bridge-type WAN connection, then LAN4 port will not work as a regular LAN port. If add back this connection, then LAN4 port will work.

Can someone tell me why?

Why cannot TP-Link simply hard-wire LAN4 port as a regular LAN port in the Modem/Router mode?
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2 Reply
Re:TD-W9970 VDSL modem/router LAN4/WAN port question
2017-12-01 16:33:57
i think someone changed your settings because my modem was set to pppoe after my quick setup
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Re:TD-W9970 VDSL modem/router LAN4/WAN port question
2021-01-04 23:29:19
My modem light turns off after a couple of seconds everything seems to be ok and working
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