help installing a wireless router

i have a tenda wireless router model #w268r that was working fine with my old modem (time warner service)
the cable company gave me a new modem (arris #tg1672) and now the wireless router does not connect. my wireless laptop still sees the network name and says its connected but gets no internet connection at all

the new modem arris #tg1672 has 4 yellow output ports,
one is used to connect direct to my desktop and the internet works fine, the other is used to connect to the router which is not responding. (running windows 7)

any help will be appreciated
thank you

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The tg1672 has a router in it.

That means you either change the tg1672 to a modem only (find its manual) or configure your *Tenda router to be a WAP. Here's the google I use for that.

"How to use a router as a WAP?"

Note: Edited by moderator to correct spelling.

Post was last edited on October 27, 2015 11:17 AM PDT

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arris tg1672 is acting as a modem only


i called my cable company (time warner) and they told me that the modem is in bridge mode acting as a modem only and that the wi-fi feature is disabled (that feature costs extra)

currently only one device, my desktop computer is hard wired.
the arris tg1672 has 4 ports on the back, should i only be using one of those ports to supply the wireless router and than have the wireless router which also has 4 ports supply any hard wired devices or can the arris tg1672 utilize all 4 ports?

the technician also told me that the new modem will be broadcasting a new IP address and that my router must be set to automatic to communicate with the new modem. this router was working fine with the old modem and i did not change any settings so i am puzzled at to why it does not work, i must be overlooking something , setting up a wireless connection cant be this complicated??

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First no to using more than one port on the tg1672.

For you to use those other ports the router in the tg1672 would have to be active.

Networking is complicated and something you learn with time or classes. There is some debate about deploying configurable versus single function hardware.

As long as the PC is on the tg1672, you can't use the other ports if what you was told is true. That port is for the WAN port of the router.

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wireless design options
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Roaming doesn't seem to work.

While interesting link your site may lead folk to think today's WiFi can roam without issues.

You may want to correct that.

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