fixed-address within range

[Chuck Anderson]

The solution in ISC DHCP is to use Reserved Leases rather than Fixed Addresses.

https://lists.isc.org/pipermail/dhcp-users/2007-August/004396.html

On Mon, Jan 08, 2018 at 10:13:03AM -0700, Thomas R wrote:
> Hello,
> 
> I have about 35 fixed IP addresses in a subnet. But I don't want to
> configure 35 different IP Ranges so that the fixed IP addresses are not in
> the range. Is there an easier way to prevent the fixed IP addresses from
> being assigned to other DHCP clients when they are not online?  
> The hosts must keep their fixed IP addresses. The addresses are spread
> across the range.
> 
> I have read various statements. Some say that if the host is assigned a
> fixed address, it will no longer be assigned by DHCP. The other statement is
> that fixed IP addresses must not be within the range.
> 
> What's true?
> 
> In total I have about 800 fixed IP addresses in different subnets. Building
> the right range for this is extremely complex.
> 
>  With a Windows DHCP server, a fixed IP address may be in the range. There
> must be a solution for the ISC DHCP server, right?
> 
> best regards,
> 
> Thomas
> 
> 
> 
> 
> 
> --
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