Unable to resolve gateway and DNS * edit * problem solved * [gateway address] [cable modem]

admin / June 28th, 2011/ Posted in Networking / No Comments »

Q: Hello all,

did a fresh winXP installed on the computer of my nephew, but can not seem to get on the same and roadrunner.

using Ethernet cable, it connects fine on my computer, but it will not work with my 0.

cousin when I do IPCONFIG stuff and my nephew, the IP address is ok, but there is no and DNS servers are not listed, and I have everything on automatic sensing.

This was using the onboard LAN . The same happened when I was a 3COM NIC is installed.

what going on?

* EDIT * ok problem is solved. I brought the computer back to the house of my cousin and it works fine for some reason. oh well.

thanks for everything, folks!


Re:ok, this is weird. so i bring the computer back to my cousin's house and optimum online works fine.

wtf.

oh well, case closed.

thanks for your help, everyone!


Re:Originally posted by: guy
most of the cable companies require your MAC address to be registered. THis is almost certainly the reason.

call them up, add the MAC and they will have you reboot your modem(you can try rebooting the modem before calling, after you plugged in her computer)

Most? Hmmm… this hasn't been the experience with the two cable companies I've used – They were both just plug and play anywhere. Just my $.02


Re:most of the cable companies require your MAC address to be registered. THis is almost certainly the reason.

call them up, add the MAC and they will have you reboot your modem(you can try rebooting the modem before calling, after you plugged in her computer)


Re:Originally posted by: guy
Going back to what Spidey said, are you sure Roadrunner doesn't require you to register your MAC address? It's very strange that our cousin's computer can get an IP address via DHCP from the ISP, but not get a gateway or DNS servers. All that information is sent at the same time in the DHCP process. Do you have a router you could stick in there just to test if that will work?

ahhh, it's getting a 169.x.x.x IP address, which means it ain't working.

yeah, i'm gonna go to his house and call up optimum and ask them about authentication and such.

unfortunately, no tengo un router =T


Re:Going back to what Spidey said, are you sure Roadrunner doesn't require you to register your MAC address? It's very strange that our cousin's computer can get an IP address via DHCP from the ISP, but not get a gateway or DNS servers. All that information is sent at the same time in the DHCP process. Do you have a router you could stick in there just to test if that will work?

Re:Originally posted by: guy
some broadband companies need some form of authentication to work.

1) Mac-address
2) Computer name
3) PPPoE username/password

Try changing the computername to be the same as the one that works?

i don't think it's that. the same problem happened at my cousin's house with his broadband (he just got optimum online) and i'm pretty sure if i brought my computer to his house it will work.

is there something up with my cousin's computer?


Re:some broadband companies need some form of authentication to work.

1) Mac-address
2) Computer name
3) PPPoE username/password

Try changing the computername to be the same as the one that works?


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