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No IP through router

By stevencbyers ·
I have two computers on a DSL router. After 8 months of working fine, only one or the other will be assigned a real IP, not 196.254.x.x. I can go into the router with one and reboot and it will work fine, then go back into the router and the other won't work. I have tried many things, new NIC card, new router, winsock fix, restoring. I can release the IP and get 0.0.0.0, but the most I can get back to is the 196.254.x.x. I can't wrap my head around this one. Both computers are running windows XP, the one that usually doesn't work hangs a bit at startup, maybe DHCP? Its verizon DSL. Let me know what else you need to know. Thank you in advance.

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by dryflies In reply to No IP through router

the one with the 169.254 address is not getting an address from DHCP. Check your address range for DHCP to ensure it can assign more than one address. looking at your question a little more, it looks as though you might be trying to get your ip through DHCP from the ISP. Don't, turn on DHCP on your router and get your ip info from it. choose an ip range that allows both computers to connect. you can also check you event logs and maybe glean a bit more info about what is happening. router logs can help too.

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by stevencbyers In reply to

How would I go about checking my address range for DHCP? I think I need a little step-by-step on how to try these changed. Would this be something that just changed out of nowhere, because it seems like thats what happened. Everything worked for like 8 months, then stopped.

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by dryflies In reply to No IP through router

The step by step is in your router manual. without knowing your particular router I cannot say how to configure it. Things can change for a variety of reasons including sub nuclear particles splashing electrons out of an isolated gate in an eeprom and your isp changing their configuration. a work around is to enter the ip info manually for a small network that is not a big hassle.

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by _Christian_ In reply to No IP through router

What you have is your PC assigned an APIPA address becauses it does not find the DHCP server.

Under windows 2000 and XP, you MUST have domain administrator privileges to fix this.

The step-by-step (on 2000, it may or not be the same on XP, depending how XP has been configured(another can of worms)):

Start>Setting>Network and dial-up connections
OR
if you have the network icon on the taskbar, double-click on it (same for W2K and XP)

then:

right-click "local area connections", select "properties"

NOTE: at this point you may want to check "show icon in taskbar", if you did not have it.

select "Internet Protocol (TCP/IP)", then properties

Unless you have a customized network configuration (which should be documented somewhere if it is the case), you should have "obtain an IP address automatically" and "obtain DNS server address automatically". If it is not the case, WRITE DOWN what you have, before anything. DO NOT change it yet.

Now, click on the "Advanced" button.

.../...
I will finish this later, I disable my network while this PC is on the Internet, so I have to leave and come back to finish the step-the step-by-step (I know how and what to do, but never did a step-by-step for it before ;-) )

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by willcomp In reply to No IP through router

I have a Linksys wireless router that, at times, just decides it won't serve DHCP.

My simple fix was to assign permanently connected PCs static IP addresses. You will need to configure IP addresses in windows, provide DNS addresses, and specify gateway. It's a rather straightforward process.

Addresses are specific to your ISP and router, so can't provide them without that information.

Dalton

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by stevencbyers In reply to No IP through router

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