On Wed, 28 Nov 2007 20:16:42 +0700, Fajar Priyanto wrote
> Hello all,
> In the network there is already a W2K server serving as DHCP server for the 
> network. Then we want to implement LTSP, so we need to setup another DHCP 
> server, right?
> 
> Due to unexpected reason (little by little migration of w98 clients to LTSP), 
> we need to keep the W2K server running in that network. Can we then have 2 
> DHCP server in the same subnet, only serving pre-determine clients using mac 
> address? Any clue on how to setup the dhcpd.conf?
> 
> Thank you very much.

Below is part of how I have my dhcp server set up.  This is in bind.  I don't 
know how
you do it in Windows.  Anyhow the top is a general section to say offer to 
anyone, the
bottom is a specific section that says only give certain parameters to certain 
clients,
and the reject unknown-clients is the part that makes sure it is specific to 
only
certain machines. You could probably modify this to get what you want.  See the
configuration below the # signs for an example (note the example is not 
tested).  

Hope that helps,

Jim

authoritative;

# Cotter LAN
subnet 10.6.0.0 netmask 255.255.0.0 {
        option domain-name "winonacotter.org";
        option domain-name-servers 10.6.1.50;
        option routers 10.6.0.1;
        option subnet-mask 255.255.0.0;
        pool {
                allow unknown-clients;
                range 10.6.253.1 10.6.253.255;
                }
        }

# CHS Learning Center
group {
        use-host-decl-names on;
        deny unknown-clients;
        if substring( option vendor-class-identifier , 0 , 9 ) = "PXEClient" {
                filename "/ltsp/i386/pxelinux.0";
                }
        else {
                filename "/ltsp/i386/nbi.img";
                }
        option root-path "/opt/ltsp/i386";
        host chslc1 {
                hardware ethernet 00:1A:4D:2F:77:43;
                fixed-address 10.6.252.46;
                }
        host chslc2 {
                hardware ethernet 00:1A:4D:2F:71:C8;
                fixed-address 10.6.252.47;
                }
        }

#######################################################

authoritative;

# Cotter LAN
subnet 10.6.0.0 netmask 255.255.0.0 {
        option domain-name "winonacotter.org";
        option domain-name-servers 10.6.1.50;
        option routers 10.6.0.1;
        option subnet-mask 255.255.0.0;
        pool {
        use-host-decl-names on;
        deny unknown-clients;
        if substring( option vendor-class-identifier , 0 , 9 ) = "PXEClient" {
                filename "/ltsp/i386/pxelinux.0";
                }
        else {
                filename "/ltsp/i386/nbi.img";
                }
        option root-path "/opt/ltsp/i386";
        host chslc1 {
                hardware ethernet 00:1A:4D:2F:77:43;
                fixed-address 10.6.252.46;
                }
        host chslc2 {
                hardware ethernet 00:1A:4D:2F:71:C8;
                fixed-address 10.6.252.47;
                }
        }

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