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Router issues?


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#1 Peterid

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Posted 22 May 2010 - 11:39 AM

Ok, so before I get started, I should list my setup.

I have cable internet. I have a Linksys CM100 modem. This feeds to a Linksys WRT54GS router. That router then feeds to another WRT54GS that is configured as a switch/access point. This feeds into my computer, my media server computer, and my xbox. The first router also feeds to a Netgear FS605 switch, which in turn feeds two computers in the room next to me, as well as another xbox. Finally, my roommates computer and another xbox are hooked up to the first router. This setup has worked perfectly for about a month.

Last night, the internet stopped working. We have recently moved, and had a number of difficulties with the ISP in the old apartment, so we blamed them and did other things for awhile. Eventually, I decided to reset everything and see what happens. That's when I noticed all the lights on the modem were on. I plugged in directly to the modem and got online without a problem. So I started resetting the routers to see if that was the issue. No luck. So I started trying everything one by one.

The first WRT54GS seemed to work fine, but we couldn't get online. After trying a few things, including the factory reset button, I noticed that the router was not receiving an IP, subnet, or DNS from the modem. After resetting both the modem and router, nothing changed. This had happened before in the old apartment with the modem supplied by the ISP. We replaced the ISP modem with a new one that we bought ourselves, and that fixed the issue. Now, the same thing is happening with the modem that we bought.

The second WRT54GS won't seem to work at all. When I plug into it and run ipconfig, it shows media disconnected. When I attempt to ping 192.168.1.1, it times out. It seems to just be a black hole, the network knows something is present, but nothing seems to happen. The 1, 2, 3, 4, and Internet lights stay on at all times (even with nothing plugged in) and the power light blinks rapidly. Some googling turned up that this might be corrupt firmware. This had happened before and I was able to fix it. However, the first time it happened, I was still able to get a ping response and a response in ipconfig (not just media disconnected). I fear the router might be a lost cause.

The switch seems to work fine. I can connect through it, ad I'm connected through it right now. Obviously, only one person can connect through it at a time without a router, so this doesn't help the immediate situation.

I'm running Windows 7 x64 and an nVida nForce NIC, if that's any help.

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#2 computerxpds

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Posted 22 May 2010 - 03:30 PM

Who is your ISP i just had a similar problem here, you need to reset the cable modem and then plug the router in then you need see if it gets internet access just wait for a little it can some times take a bit for it to start to work and give the router and IP, now from there once you get that working i suggest getting another router one that has more ethernet ports so you dont have to have 2 running and a switch, plus it will save some power, also as for the second linksys router, does it have linksys firmware or a third party like dd-wrt?

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#3 computerxpds

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Posted 22 May 2010 - 03:31 PM

Also do you use them for wired access only or do you use the wireless to?

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#4 Peterid

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Posted 22 May 2010 - 05:21 PM

The linksys is running the linksys firmware. I'm running both wired and wireless. Resetting everything didn't work. My ISP is Charter.

#5 computerxpds

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Posted 22 May 2010 - 08:36 PM

How old are the routers as I have a feeling they might be going bad?

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#6 Peterid

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Posted 22 May 2010 - 09:12 PM

Not sure how old they are. To be honest, I wouldn't be surprised if they're dying. The only thing that bothers me about it is this happened before and we fixed it by replacing the modem. Only it was a totally different brand and model, so I find it weird that the symptoms are the same.

#7 Baltboy

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Posted 23 May 2010 - 09:59 AM

You can connect through the modem so that is working fine. Can you post an ipconfig /all from a wired connection when directly hooked to the modem? The router with the blinking lights might be toast. I'm assuming you are doing a hard reset where you hold in the button for 15 seconds? Sometimes this helps where a simple push of the reset fails.
With the other router make sure it is off and the modem is off, connect all of the cables being sure to use the WAN port on the router, start the modem allowing all lights to be lit before starting router, wait for power light and wan light to go solid before starting compter, check router for setup.
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#8 Peterid

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Posted 24 May 2010 - 07:44 PM

The blinking router is toast. No way around it.

As for the other router, I was gone yesterday and my roommate fixed it. I'm actually not sure how.




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