How to remove a Vlan configuration from a network

I have a network setup with a Dell 6024 switch setup with vlans.  The server is a ms server 2003 with vlan setup with Intel nics and dhcp with 9 subnets.   I want to replace the Dell switch with a basic layer 2 switch and put everything on 1 subnet.  We only have 50 computers.  
What is the best prosedure to remove the vlan from my network.

Thanks
bud01Asked:
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newmathCommented:
Literally put in an L2 switch and plug up your clients. That's all you need to do for a L2 switch. But I have to ask why? The L3 PC switches are a step up from a standard L2 switch. L2 switches are very similar to L3 -- but they lack routing between VLAN's. Are you looking to simplify? As far as your clients are concerned, just make sure they are on the same subnet if you setup a L2 switch. In other words, if they're all using DHCP -- remove all of those scopes and settle on a single subnet and create one scope for the subnet you choose. Your question doesn't give a lot of details about your infrastructure so there could be a lot of things you need to change, especially considering you have VLAN's setup.
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woodsrlCommented:
When you remove the Dell switch, you will be in fact removing all of your VLANs.  If you have no need for varying levels of security, then your plan will work fine.  Using the various VLANs does allow for separate broadcast domains and would allow you to segment multicast traffic if that is desirable to you.
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bud01Author Commented:
The switch is being replaced because we had a problem with it and needed to be replaced.  I did get it working but it is old and they did not want to spend alot of money on a switch so we bought a layer 2 switch.  I did plug everything into the new switch but dhcp did not work because the server has a vlan setup with the nic cards.  Even a static ip would not connect to the servers. I did not setup this network and have not worked with vlans.  The dhcp server has 2 Intel nic cards configured with Intel proset software as a team with IEEE802.3ad dynamic link aggregation and vlan with qos.  If I remove the vlan on the server and configure the nics IP address will that work with the new switch?
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bud01Author Commented:
Also in dhcp, the subnets say "active" under status column where it usaully says "running".  I am not sure if dhcp is somehow tied to the vlans.
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woodsrlCommented:
The simple solution would be to remove the Intel Proset software and just load back the standard network drivers.  That would clear out the advanced configuration.  Then give the server a static address on the network that you want all of your PCs to be on.  You will then need to go into the DHCP Server administration and remove the scopes that are invalid.  You will at this point only need one scope configured to give out enough addresses for all of your devices.
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bud01Author Commented:
Thanks i will try that now and post back.
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bud01Author Commented:
It turns out that there was another dell switch with vlan setup also.  It works fine if I bypass the dell switch.  Can I just remove the vlans in the dell switch?
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newmathCommented:
If you have your NIC's setup to not tag packets and you choose to remove the extra VLAN's on PC switch I would highly recommend making a backup of your current running-config before making any significant config changes. On a Dell PowerConnect switch you can make a config backup using the web GUI or using TFTP server.
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bud01Author Commented:
Thanks but I can't figure out how to backup config using the GUI.  I only see upload to TFTP or download to TFTP.
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newmathCommented:
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bud01Author Commented:
Thanks I will try it
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