On Tue, Jul 11, 2000 at 02:19:28PM +0930, Kevin Hancock wrote:
> Hi Guys
> I am thiinking about setting up a DHCP server on a Redhat 6.1 box here with
> 3 network cards. What I want to achieve is a router that will automatically
> allocate IP addresses to 3 subnets.
> The DHCP Howto suggests I can only have one config file for DHCPD and no
> suggestion I can allocate to different subnets. It seems I am going to be
> giving the same IP range to all 3 netowrk interfaces.
> Can this be done and if so anyone have any pointers to where I can look into
> this?
You're trying too hard. DHCPD is only going to give out leases
that are appropriate for the subnets on each interface. You don't have
to do anything special. If you have a network interface with a particular
subnet assigned to it, DHCPD will ignore any range assignments that do
not fit that interface.
Examples:
Interfaces:
eth0: 130.205.35.1 : 255.255.255.0
eth1: 130.205.36.1 : 255.255.255.0
eth2: 130.205.37.1 : 255.255.255.0
dhcpd.conf:
subnet 130.205.35.0 netmask 255.255.255.0 {
range 130.205.35.48 130.205.35.60;
option routers 130.205.35.1;
option subnet-mask 255.255.255.0;
option broadcast-address 130.205.35.255;
default-lease-time 600;
max-lease-time 7200;
}
Any requests coming in from eth0 will get fufilled from the above
range. Any request from eth1 or eth2 will ignore that range because it's
inappropriate for those interfaces. The later two interfaces don't fall
in the range of that subnet.
> Thanks
Mike
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