I need help with a router. It was working with DSL one moment and not the next. Our DSL service changed from one phone line to another, which ended up as canceling one service and starting a new service. I had to setup the modem following AT&T's phone tech instructions to connect to the new DSL service. I can get a PC to connect to the internet directly through the modem. When I put the router between the PC and modem, I can't get a connection. I followed the Linksys's instructions to setup the router with the new DSL account information but it still won't connect. There were some steps to change the router IP to 192.168.1.1 to 192.168.2.1. The router doesn't connect set to either IP.

The phone tech walked me through resetting the modem and entering a new login and password. I didn't notice any mode changes but I wouldn't know it if I stared it in the face. The phone tech said the router has to be set in bridge or bridged mode to work and offered a pay service to handle third party equipment. I declined since I figured the router wouldn't know the difference.

For reference, the network consists of a DSL modem into a firewall router, the router splits to one wired PC and a workgroup switch, the workgroup switch splits to another wired PC and a printer. The network works as before, it just won't connect to the internet through a verified working DSL modem.

Help!

Thanks,
Sixto
87 300D

I don't know a lot about this stuff but if you have Windows you can go to the Command Prompt and type in:
ipconfig /all
My Command Prompt is at Start > All Programs > Accessories > Command Prompt

It'll tell you the IP addresses connected.

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Depending on the type of DSL the modem should be bridged to allow the router to handle the WAN IP address. It will be either DHCP (auto assigned) by the ISP, or they give a static address that you will need to configure on the WAN settings page of your router. The IP they had you set (192.168.2.1) is the gateway IP/address of the router itself. This is how the computers access the internet using the router. It makes no sense that they had you change the third place holder to a "2"....as it should not make a difference.

Modem in Bridge Mode
WAN address via DHCP or Static
Router set to normal address of 192.168.1.1, (it really doesn't matter what it is set to as long as it is an internal address in the 192.168 range)
Computers set to automatically get their IP via DHCP from the router.

If that is all set there is no reason it should not work other than the ISP screwed something up.

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I think you should call your internet provider and give them the MAC address of the router. They need to "associate" the address with your account so the server can "see" the router. As PawoSD mentioned you don't need to change the router address, this support guy is talking out of his a**

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Also check in the router status that the modem is passing along the IP address and the DNS. Without the DNS address your pc's browser won't get any internet connection unless you input the IP address into the browser directly.

Rebooting the modem and the router then release your lease and then renew it and see if the DNS shows up.

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First off, disconnect all those switches and PCs and simplify the equipment to it's most basic set up, a PC hooked to their modem with the router and switched eliminated. You should just be able to reboot the PC and connect to the Internet. Can you connect to the internet? If not, you might have to flush out some garbage that has gummed up the works because of all the messing around you've been doing. To ungum it, do this:

At the command prompt type:

ipconfig /flushdns [hit enter]
ipconfig /release [hit enter]
ipconfig /renew [hit enter]

Now try your browser again with only the PC connected to the modem. Now can you connect to the internet?

If not, you may want to repeat the entire above process with a different PC or a laptop that you know has a good network card, so you can eliminate the possibility the PC you are using has a bad network card.

If you still cannot connect after trying two different PCs, and after flushing the IP caches, then the problem is most likely on their end, or the modem they sent you is bad. Call the Helpdesk Moron and ask him to send a ping command to your modem's ip address. At the same time, send a ping command to it from your command prompt. If he can ping it, and you can't, or vice versa, he's got work to do. Usually, if he can ping it and you can't, the modem is bad, and I see that all the time. Have them ship you a new modem. If he can't ping it, then they've messed up somewhere in their software setup of your account. Again, make sure you have your connections totally simplified before doing this test with the Helpdesk - don't hook all that other garbage up until you have verified you've got surf.

If you can connect to the Internet with only your PC connected, then you have proved that the connection from the ISP is not the problem, which means your router is configured wrong or is bad, or one of those switches or network cards in one of the other PC's is bad and is causing the whole network to malfunction.

Could be that you need to double check the new PPPoE settings...



Double check the user name and password you entered on the router.

__________________
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it's automatic.

Ive used ATT DSL for several years. 99% of the time it is good.

The 1% is what we are talking about and Ive been thru your exact situation.

Resolution took ~45 minutes. Call ATT tech support and make sure you are up and running online. That usually requires a direct to your PC connection.. ie no router. Once you have confirmed you are online time for the next call.

Linksys's tech support I have found to be very good and fast. They will walk you thru the entire procedure and get you running. They are patient and knowledgeable.

If you want to increase your speed and lower your cost ... here is a good website to read. I have used their advice 3x and and saved a bunch. Last time I used it .. it was for 2 phone lines and the total saved is about $540 a yr.

http://slickdeals.net/forums/showthread.php?t=1146593&page=115

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