Internet Randomly Dropping Out

Dell / Vostro 410, 400, 200 & in...
March 18, 2009 at 23:03:41
Specs: XP Pro, 4GB
We run 4 computers (1xLaptop & 3xDesktops) on a wired network using 2 D-Link Routers. We also have an Bigpond ADSL connection connect to one of the routers via the Modem (2Wire) given to us by Bigpond. All computers are can access the internet but it randomly drops out. By randomly, I mean it may happen 2 times a day or 10 times a day. When it drops out the lights on the Bigpond modem do not change and stay lit. Bigpond says that there is nothing they can do. I have tried to connect the modem (via usb) to one computer and it doesn't seem to drop out as much but still does. If you unplug it and then plug it back in, the internet comes back straight away. I have no idea what is causing the problem. We have Norton Internet Security 2008 on all computers if this helps.

caso1992


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#1
March 20, 2009 at 07:42:51
Try this, upgrade firm ware on your router and call your ISP for a newer modem if it doens't work.

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#2
March 20, 2009 at 14:09:21
Both routers have the latest firm ware. I will call Bigpond today and ask but I don't think they will do anything because all the lights are still flashing when it drops out. But thanks anyway.

caso1992


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#3
March 20, 2009 at 14:46:19
So basically, you have a total of 4 devices but you're hooking all these up to a 2 routers? Why don't you just use one router? You should have 4 wired ports on each router which is enough for your 4 devices. It sounds like there's confliciting default gateway addresses using two of them together. If your routers have less than 4 ports each, you can get a switch to connect to one router or you can turn the second router into a switch. You would need to disable DHCP not utilize the WAN port on the second router.

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#4
March 20, 2009 at 22:10:07
The reason there is 2 routers is because there are 2 computers in a back office and 2 at the front desk. There is only one LAN cable running from the back to the front. The front router doesn't have anything in the WAN port and is setup to direct the internet traffic to the back router with the modem plugged into the WAN port. Both the front and back computers have the internet dropping out. Both the routers are D-LINK DIR-120.

caso1992


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#5
March 20, 2009 at 22:14:10
Under WAN on the router the following is displayed:

MAC Address: ####-####-####-#### (address is actually displayed)
Connection: DHCP client Connected
IP Address: 10.0.0.5
Subnet Mask: 255.255.255.0
Default Gateway: 10.0.0.138
DNS: 10.0.0.138

When the internet drops out the DHCP client becomes disconnected, even though the modem lights are still on.

caso1992


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#6
April 7, 2009 at 01:01:18
Called Bigpond, and getting a replacement modem sent, still waiting though.

caso1992


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