[Novalug] Question

Nick Danger nick at hackermonkey.com
Sun Mar 1 11:42:24 EST 2009


Dan Arico wrote:
> Something struck me a little while ago so let me ask:
> 
> Is there any reason I can't mix DHCP and fixed addresses on the same network 
> providing all the addresses are on the same subnet and the DHCP server limits 
> the addresses it provides to something outside the range of the fixed 
> addresses?
> 
> Dan Arico

There is no reason you cannot. In fact you can even set the dhcp server
to give out static addresses (check man DHCP and you'll see an example
on how to do this using the MAC address of the client).

You could also segment it, say addresses 1-75 are in the dhcp server,
but 76-100 are statically assigned.

In theory, the dhcp server should check before it assigns one, so if you
happen to give someone statically say address 50 (using my above split)
the dhcp server shouldnt give out 50, but I wouldnt count on that. I
have had a few "IP Address Conflicts" at work usually due to someone
statically assigning an address and the dhcp server handing it out
later. But then I have to run windows so that could be my issue :-)

Nick




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