I am trying to allocate ip-addresses on my local network using dhcp3-server. I want a couple of systems to have a fixed address, while other system should get any ip that is still available.
I have created a range of dynamic ip-numbers and have tried to find
a way to identify those hosts that need a fixed address using host
statements.
When I add a "hardware ethernet HWADDR"-statement to a host definition, everything works as expected. However I don't want to use MAC-addresses, since sometimes I boot a live-cd or another operating system in which case I'd like to use an ip from the dynamic range.
I have tried changing the "send host-name" option in dhclient.conf,
but this seems to get happily ignored.
These are the relevant parts from dhcpd.conf on the server: ---------------------------------------------- option domain-name "mydomain.net"; option domain-name-servers 10.0.0.138; option routers 192.168.1.3;
subnet 192.168.1.0 netmask 255.255.255.0 { range 192.168.1.11 192.168.1.19; }
host myhost { # hardware ethernet 00:10:A7:10:83:B8; fixed-address 192.168.1.7; }
----------------------------------------------
The only uncommented line in dhclient.conf on the client:
----------------------------------------------
send host-name "myhost";
----------------------------------------------
When I uncomment the hardware statement, I get 192.168.1.7,
otherwise I get something from the 11-19 range. Is it possible to
use a different identifier (ideally the host name) and if so what
statements are needed in the different config-files?
Thanks, Bob
My experience has always been to use the MAC address. Using a name is too easy to spoof.
I don't think you can do what you are looking for.
However, if you are trying to set an IP address to the same machine based upon a boot-CD then why not set the installed (hard drive) IP address to a fixed address and when you boot into the CD, it'll use DHCP to set up.
-- BOFH excuse #348:
We're on Token Ring, and it looks like the token got loose.
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