Suggestions about network design - DHCP multiple subnets
Posted on 2008-10-27
I'm designing a network for around 3 servers (The DC is the DHCP Server), 25 Workstation, 25 IP Phones, 1 router, 1 NAS and a few other network devices.
I'd like to setup the DHCP Server to hand-out IP's depending on which switch it's attached to.
I'd also like setup each group of devices to be in a specific IP range (see below).
Servers: 192.168.0.1 - 255
NAS/SAN Enironment: 192.168.2.1-255
Other Network Devicess ( Printers etc): 192.168.3.1-255
IP Phones and PABX: 192.168.4.1-255
Currently we have a number of unmanaged switches for the workstations and IP Phones (these are seperate, meaning the traffic is physically seperated until it reaches the main switch) which run uplinks back to the Comms Room into the main switch (unmanaged).
The servers use a HP Managed Switch which also connects to the main switch.
And finally we have all other network devices patched back into main switch.
The router connects directely into the main too. And it connects out to our modem as well.
All workstations/servers use the router as a gateway, and use our DC as our DNS address (It has a DNS running already).
I would like our DHCP Server to distribute IP based on which switch I plug the device into.
I'm not sure exactly how to set this up with multiple subnets etc. Currently all IP are using a subnet mask of 255.255.0.0 so everything can see everything (which is what I want it to stay).
Could someone please provide any suggestions/options as to whether this is possible and how to acheive this?
Also if you could provide subnetting suggestions to, that would be greatly appreciated.
Thank you everyone in advance.