General discussion


Changing IP scope from 192.168.1.x to...

By eric_knopp ·
We are currently running a Windows 2000 Server as our PDC, with DHCP and DNS running on it. We are going to be changing our Internal IP scope from the current 192.168.1.x to 10.1.44.x (to be able to succesfully link up the US and UK VPN domains). Is it as easy as:

1. Shutting down all PCs/servers except the PDC
2. Chaging the local IP address on PDC to the new
3. Add a new DHCP scope with the new IP range, adding in the new reservations, delete the old 192.x scope
4. Change the firewall to reflect the new IP addresses
5. Change the hard coded internal IP addresses (printers, test machines, load balanced web servers, etc)
6. Turn on the computers/servers so they receive the new IP addresses


Thank you,


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by RagingBull In reply to Changing IP scope from 19 ...

Pretty much ... you don't need to shutdown the clients - you can just do a ipconfig /release & /renew from the command prompt (assuming XP clients).

Again you don't have to shut down the other servers either - just do the server

I would also look to use reservations for printers rather than hard-code in case you need to do this again

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by CG IT In reply to Changing IP scope from 19 ...

raging bull is right but imo you don't need to change your LAN addressing scheme to accomdate VPN. As long as you run NAT and a VPN Endpoint somewhere like on the firewall or allow the firewall to pass through VPN to a RRAS your good to go.

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