Linksys Router WRT160N - Wireless does not connect to the cable modem

I installed the Linksys WRT160n router to replace an existing G router. When installed the new wireless router works, but the router does not receive a connection (IP address - look under status) of the cable modem (so no internet). When I reconnect the old router and then connect the new router, I get any internet connection through two routers (so the old dishes router the IP address that accepts the new router).

I have configured the router N new for

"Automatic configuration - DHCP", no need for connection, IP address dynamic, etc (as required by ISP - Timewarner)

I tried to renewal and release IP address by the router N when it is connected directly to the main switch (the switch to connect to the cable modem). In so doing, shouldn't that assign a new IP address to the router?

I am allowed 3 IPs from the cable company (because of the switch) and I use all three with three different internet IP cameras to each address for home security system.

Any suggestions on why the router is not connecting to the internet? Do I need to reboot physically everything on the network, including the cable modem?

If I understand your post, you said that your ISP gives you 3 Internet IP addresses and you have 3 cameras that use one of these Internet IP addresses.  If this is correct, then that leaves no IP Internet address for your WRT160N use - so that would explain why your WRT160N cannot get an Internet connection.

If I misread your post, and you have an Internet IP address available for the WRT160N, you might have a problem with your modem and two WRT160N tries to use the same 192.168.1.x subnet.  To check this, follow these steps:

(1) Please indicate addresses that use your cameras (IE before you take the test below).  If the addresses do not begin with 192.168, then erase the last half of each address.

(2) Please indicate your ISP

(3) Please indicate the make and exact model of your modem (not the WRT160N) number.

(4) Please do the following test:

Put your entire network.  Disconnect the switch (including cameras) to the modem.  Using an ethernet cable, connect your modem directly to your computer.  (Do not use the WRT160N for this test).  Turn on the modem and the computer.  Make sure you have an active Internet connection, then go ahead with what follows: (even if your Internet connection does not work, include this and move forward.)

Go to 'Start' > all programs > Accessories > command prompt.
A black DOS window will appear. Type "ipconfig/all" (with no quotes), and press the Enter key.   Copy all results in your next post.  To make the copy, highlight the results, and then use the keys copy (Ctrl-c) and paste (Ctrl-v) keys.  If your "IP address" does not begin with 192.168, then for security reasons, delete the latter half of your IP address.

Tags: Linksys Routers

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