[OT] Interesting Windows IP issue

[gaf-mNDKBlG2WHs at public.gmane.org (Jerry Feldman)]

On 01/22/2011 03:21 PM, Mark Komarinski wrote:
> On 1/22/2011 10:30 AM, Jerry Feldman wrote:
>> Yesterday at work, one of my coworkers wanted to make a presentation
>> from his company laptop (Windows XP). For some reason his IP address w=
as
>> showing 192.168.x.x, not the internal company 10. address. I used my
>> Ubuntu netbook to make sure the CAT5E cable was ok, and I certainly go=
t
>> a valid 10. address. We moved to another office because the lighting w=
as
>> better, and the same thing. We even rebooted his computer. Somehow it
>> wanted to remain at 192.168. Our cables are plugged directly into a
>> switch that plugs into our firewall. After a while we finally got the
>> thing up and running on the corporate network. Note that I had even do=
ne
>> a IPCONFIG /release and IPCONFIG /renew. I've seen this before on his
>> previous laptop. Apparently he does something at home, but when I look=

>> at properties it shows DHCP.
>>
> Use ipconfig /all to verify that a lease is actually getting assigned. =
=20
> If it is, you may have a rogue DHCP server on your hands.
This has happened before on his previous laptop. I think it has to do
with the way he configured it. No one else has the same problem.

--=20
Jerry Feldman <gaf-mNDKBlG2WHs at public.gmane.org>
Boston Linux and Unix
PGP key id: 537C5846
PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB  CA3B 4607 4319 537C 5846



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