Can't get ip for Vista

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May 27th, 2007
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I use C2801 router with IOS 12.4T advservice for DHCP server,and connect with MS Vista, but it can't get ip, but use XP and win98 is ok, so, please help!!

Thanks !

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Jagdeep Gambhir Mon, 05/28/2007 - 05:47
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There should not be any issue with Vista, in getting IP address from DHCP. Please make sure that internal firewall is disabled and NIC is configured properly.


thkoo Thu, 05/31/2007 - 20:26
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thanks for ur help, but even I disable

the FW function in Vista, still can't get ip,

so, have any suggestion ?

thanks !!

jesusdamian Fri, 06/01/2007 - 07:02
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can you connect to network resources if you assign a static IP to the Vista machine?

I dont see how the Vista machine is not able to obtain an IP.

what about the NIC settings? Instead of auto negotiate duplex and speed, force 100/Full, or whatever settings you are using.

also, try updating the NIC drivers on the Vista machine.

thkoo Tue, 06/05/2007 - 17:50
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Thanks for your help, I try to hard code thr ip address to Vista, it can connect to the network, but use DHCP from C2801 router is not.

For router , when I use "show ip dhcp binging' command, it seem had give the ip

to the Vista.

I had try 4 Vista pc, the symptom is same.



anandramapathy Tue, 06/05/2007 - 20:03
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is the vista machine on the same vlan as the DHCP server ?

anandramapathy Tue, 06/05/2007 - 20:04
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Try connecting an ethereal on the same vlan as the Vista machine & do a acapture


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