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Multiple Scopes on One DHCP Server

Posted on 2004-03-22
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Last Modified: 2010-05-18
I have a DHCP server with the following infomation:

Range: 164.51.33.129 to 255
Subnet: 255.255.255.128
Router: 164.51.33.129

DHCP/WINS: 164.51.33.182

It is currently full and I have been given another range: 164.51.131.1 to 164.51.131.30 with subnet mask 255.255.255.224.  It has the same router address: 164.51.33.129.  The first one is currently full and I assumed that it would fall over to the second one which is not happening.  Someone please give me some advise to what i am doing wrong.
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Question by:BigTSmooth
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Expert Comment

by:lrmoore
ID: 10654050
You can't have the same router IP because it is on a different subnet than the address range.
.129 is within the first range of addresses only.
This is not going to be an easy task because without a router or something to route packets between the two subnets, you won't be able to work.
If you can get the rest of the full /24 block, you can then use all of the addresses between .1 and .254, mask 255.255.255.0, and keep the gateway the same 164.51.33.129


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by:BigTSmooth
ID: 10654542
Let's say that I did have the 1 to 254 range.  Once that runs out, what are my options got get more IPs?
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Accepted Solution

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lrmoore earned 500 total points
ID: 10654560
1. Stop using public IP's and use Network Address Translation at the firewall, and use private IP's that give you the ability to use all the addresses you want in the private address spaces of
10.0.0.0 /8
172.16.0.0 /16
192.168.0.0/24

2. Use multiple subnets with a "superscope" on the DHCP server

3. Use multiple subnets with some type of router between them

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