Odd DHCP behavior (Vista losing IP?)

Jason Frisvold frisvolj at lafayette.edu
Wed Apr 14 13:12:46 UTC 2010


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On 04/14/2010 09:04 AM, Glenn Satchell wrote:
> Do you have other Vista PCs on the network that work correctly? Try to
> see if it is something specific to Vista everywhere, or something about
> this Lab subnet.

There are a fair number of Vista machines on the network, but we only
have complaints from this particular lab.  I do see similar behavior for
a handful of other machines on the network, some of the XP machines, but
it's scattered and by no means consistent.  This lab is almost perfectly
consistent.

> Can you use snoop, tcpdump or perhaps wireshark to capture the
> DHCPINFORM packets? Looks like there is some piece of information the PC
> needs and it keeps requesting it. Look at the options being requested -
> you may need to send back a dummy value or change a setting.

Sure, I'll get something set up to capture the data.  I suppose this
isn't something "common" that I'm overlooking, so I'll have to dig a bit
deeper..

Thanks,


> regards,
> -glenn

- -- 
- ---------------------------
Jason Frisvold
Network Engineer
frisvolj at lafayette.edu
- ---------------------------
"What I cannot create, I do not understand"
   - Richard Feynman
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