Why is an error reported when rhceas4.0 fails to configure DHCP ??

Why is an error reported when rhceas4.0 fails to configure DHCP ?? -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. [Root @ rhelas ~] # Service dhcpd start
Starting dhcpd: Internet Systems Consortium DHCP Server V3.0.1
Copyright 2004 Internet Systems consortings.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
Wrote 0 deleted host decls to leases file.
Wrote 0 new dynamic host decls to leases file.
Wrote 0 leases to leases file.

No subnet declaration for eth0 (173.16.3.92 ).
** Ignoring requests on eth0. If this is not what
You want, please write a subnet declaration
In your dhcpd. conf file for the network segment
To which interface eth0 is attached .**


Not configured to listen on any interfaces!

If you did not get this software from ftp.isc.org, please
Get the latest from ftp.isc.org and install that before
Requesting help.

If you did get this software from ftp.isc.org and have not
Yet read the README, please read it before requesting help.
If you intend to request help from the dhcp-server@isc.org
Mailing list, please read the section on the README about
Submitting bug reports and requests for help.

Please do not under any circumstances send requests
Help directly to the authors of this software-please
Send them to the appropriate mailing list as described in
The README file.

Exiting.
[FAILED]