?
Solved

Cannot obtain IP address from DHCP configured in Cisco switch 3750

Posted on 2009-12-28
10
Medium Priority
?
583 Views
Last Modified: 2012-08-14
We have changed our network and have configured DHCP in Cisco 3750 switch. Some of the Vista clients does not get IP now. Message says error occured while renewing interface Local Area Connection. Machine has both NIC as well as Wireless. Tried on both together and separate but no luck. Also tried following things
netsh int ip reset
netsh winsoc reset
adding registry key DhcpConnForceBroadcastFlag and set value to 1
Even in Safe Mode same issue. Any help will be greatly appreciated
0
Comment
Question by:sameerc
  • 4
  • 3
  • 2
  • +1
10 Comments
 
LVL 6

Expert Comment

by:peter41
ID: 26136261
Cannot be it blocked by some firewall ?

To diagnose problem, install network sniffer (Network Monitor, Ethereal, Wireshark) on Vista client and look into packets what is happening.

Peter
0
 
LVL 1

Expert Comment

by:CooGuru
ID: 26136267
Have you tried this?

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{GUID}
In this registry path, click the (GUID) subkey that corresponds to the network adapter that is connected to the network.
On the Edit menu, point to New, and then click DWORD (32-bit) Value.
In the New Value #1 box, type DhcpConnEnableBcastFlagToggle, and then press ENTER.
Right-click DhcpConnEnableBcastFlagToggle, and then click Modify.
In the Value data box, type 1, and then click OK.
Close Registry Editor.
0
 

Author Comment

by:sameerc
ID: 26136328
Dont think Firewall because it was working fine with previous Win2k3 based DHCP.
DhcpConnEnableBcastFlagToggle is already tried but unfortunately did not do the trick.
0
Free recovery tool for Microsoft Active Directory

Veeam Explorer for Microsoft Active Directory provides fast and reliable object-level recovery for Active Directory from a single-pass, agentless backup or storage snapshot — without the need to restore an entire virtual machine or use third-party tools.

 

Author Comment

by:sameerc
ID: 26136405
Forgot to mention that if Staic IP assigned, everything works fine. Is it possible that these machines are still looking for old DHCP server for some reason ?
0
 
LVL 1

Expert Comment

by:CooGuru
ID: 26138483
It is possible, however, doing what you have already done should have flushed everything out for this.

the problem is in the way that Cisco does it's DHCP Leasing versus the way the Vista asks for the addresses. You have obviously done your research to get to this point, so you have probably already seen all of the articles addressing this.

I will continue to look for other means of forcing the vista Client to pull the addressing in a way compliant with the Cisco Methods
0
 
LVL 52

Expert Comment

by:Jackie Man
ID: 26140813
Vista 32 bit of 64 bit?
0
 
LVL 52

Expert Comment

by:Jackie Man
ID: 26140830
Do you have any domain group policy which over-ride the local administrator's group policy?
0
 
LVL 52

Expert Comment

by:Jackie Man
ID: 26140863
Besides, have you tried the following at the Cisco router?

"disable autonegotiation and locked the switchports to 100 MB Full duplex"

Source: http://social.technet.microsoft.com/Forums/en/winserverNIS/thread/becf4320-f5ce-4b79-9798-b37f122a947d
0
 

Author Comment

by:sameerc
ID: 26143499
Hi Jackie

Its 32 bit. I have a 1GB network so not sure if setting ports to 100MB is advisable. Also issue seems to be getting slighltly more complicated. There are XP machines as well having same problem but randomnly. On the same switch port I tried two different machines. One does and the other does not !!!!!!!! Also same thing happens with Wireless Access Point (Cisco 1200) as well.
0
 

Accepted Solution

by:
sameerc earned 0 total points
ID: 26143665
Silly me. Address Pool was empty !!!!!!!!!!!!!!! Should have started with that. Anyways all is well that ends well :))))) Thanks Jackie and CooGuru for responding.
0

Featured Post

Nothing ever in the clear!

This technical paper will help you implement VMware’s VM encryption as well as implement Veeam encryption which together will achieve the nothing ever in the clear goal. If a bad guy steals VMs, backups or traffic they get nothing.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Hi All Just a quick one for everybody. I was recently looking into setting the default User Account Picture for all my vista clients within the network but on closer inspection the group policy setting only allows you to set the default pictur…
The main issue when installing Vista and XP in dual boot is when you have to reinstall any of the two when something fails, let's say a hard disk failure, a lost partition, virus, etc. What commonly happens is that you lose all your hard work config…
The Task Scheduler is a powerful tool that is built into Windows. It allows you to schedule tasks (actions) on a recurring basis, such as hourly, daily, weekly, monthly, at log on, at startup, on idle, etc. This video Micro Tutorial is a brief intro…
We’ve all felt that sense of false security before—locking down external access to a database or component and feeling like we’ve done all we need to do to secure company data. But that feeling is fleeting. Attacks these days can happen in many w…

862 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question