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The thing is that I'm living in hostel and they use cisco router with web authentication. Normally after successfully connected to the network, I've got to enter name & password at the browser (1.1.1.1/login.html) to get redirected. However, the problem is now is that when connecting to the router, I always get the IP like 169.254.x.x which is not correct, no DNS server and no DHCP server as well. Normally DHCP would be 1.1.1.1 . Can help ?

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Last Post by tungnk1993
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169.254... is an ip that is assigned to your card when it is set to DHCP, but no DHCP server answers the request.

Are you using wired or wireless? Try connecting, then use "IPCONFIG /RENEW" to force a new DHCP address. Make certain you are on the correct Wifi SSID.

To get to a 1.1.1.1 server IP, you will need to be on the network and on a subnet that will route to that host. IF you don't get a DHCP IP, then you aren't going to go anywhere obviously.

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Wireless , and the "correct" IP is usuall 10.176.x.x so I guess DHCP does not answer as everything except the IP is blank but not 0.0.0.0 . Btw, what's the difference between /release and /renew ? Anw Tks for the suggestion but havent got chance to try it

Edited by tungnk1993: n/a

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Hi!

/Release does just that. It releases the ip but does not get a new one. In effect your IP is now 0.0.0.0.

/Renew goes beyond that. It releases the IP and then gets a new one from the DHCP server.

Edited by BostLabs: n/a

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Ok, just to be sure...At first if the DHCP is not giving any IP, will /renew cmd helps it as it's not responding anw

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It will if the DHCP server on the router is configured properly.
At the very least the command prompt (do the ipconfig in a cmd window, not in the run command so you can see the response) should give you some additional information if it fails.

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As I don't wanna risk my connectivity, I try the command when I'm able to surf and the result I get is : "An error occured while renewing interface Wireless Network Connection: unable to contact your DHCP server. Request has timed out." Luckily, my connectivity is still there. So, is this DHCP's problems ?

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If you currently have no IP address, yet you can surf, then there's some fantastic magic happening there. Do you have a 3G card in the unit (or other type of carrier) that gets you online?

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No, I mean I've got the IP alr, then I try the command . Even though the command failed, I still had the same address.

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