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Ted, correct me if I'm wrong.
I believe options are options and wherever they exist they will be used
UNLESS you override them in a subnet, host, or group stanza. I'm not
familiar with pools which is why I won't include them in this
discussion.
Anyway...
subnet
This is obvious, configure subnet specific options in subnet statements
- things like routers, subnet mask, broadcast address, address range,
etc.
host
This is how you can single out a device in a subnet but I believe you
can write a host statement outside a subnet statement which has the
effect of a one fixed address pool. You use host statements to override
options on a per host basis. In your case, you'd be interested in
option-67 depending on who paid for what services you want to be sure
their modem gets the config file they deserve.
group
This is how you could group hosts together so for all the customers who
paid for the kitchen sink level of services, you can group all those
hosts into the kitchen sink group and then serve them all the same
configuration file, e.g.
group kitchen-sink {
option option-67 "kitchensink.cfg";
host { hardware ethernet de:ad:be:ef:ca:fe; }
host { hardware ethernet ca:fe:de:ad:be:ef; }
}
You'll note that I left off the fixed-address option. If you enclose
this group statement in a subnet statement, you give these hosts
addresses out of the subnet range but they will get the kitchen sink
config file whereas the rest may only get the basic configuration file,
e.g.
subnet 10.20.30.0 netmask 255.255.255.0 {
range 10.20.30.100 10.20.30.200;
option routers 10.20.30.1;
option option-67 "basic.cfg";
group kitchen-sink {
option option-67 "kitchensink.cfg";
host { hardware ethernet de:ad:be:ef:ca:fe; }
host { hardware ethernet ca:fe:de:ad:be:ef; }
}
}
How did I do Ted?
Cheers,
Matthew
PS Did you try 'man dhcpd.conf'? Just had to ask.
"Roderick B. Greening" wrote:
>
> *** From dhcp-server -- To unsubscribe, see the end of this message. ***
>
> Is there a document somewhere that describes what the conf relationships
> are between groups, pools, subnets, hosts and shared networks?
>
> For example,
>
> group ---> shared-network
> subnet
> host
>
> shared-network ---> subnet
> host
> pool
>
> The idea is to show what a group, etc, can contain. From my read of the
> docs, I cannot seem to get an absolutely clear picture of the
> relationships.
>
> If anyone can shed some light on this, I would appreciate it, as I am sure
> others would.
>
> Thanks in advance.
> [Lost in the tangle]
>
> Roderick B. Greening, BSc. |
> Network Specialist | [EMAIL PROTECTED]
> Cable Atlantic Inc. |
>
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--
---
------
Matthew Levine
Quality Assurance (SW Initiatives - Broadband)
Cisco Systems, Santa Cruz http://www.cisco.com/
[EMAIL PROTECTED] (831) 457 - 5431
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