rhce as 4.0 配置DHCP ，无法起来，报错是什么原因？？

[root@rhelas ~]# service dhcpd start
Starting dhcpd: Internet Systems Consortium DHCP Server V3.0.1
Copyright 2004 Internet Systems Consortium.
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 for
help directly to the authors of this software - please
send them to the appropriate mailing list as described in
the README file.

exiting.
                                                           [FAILED]

设置的第一个地址分配范围必须和网卡配置的IP地址在同一个网段。并且第三行subnet指的是网卡所在的网段。所以会失败

No subnet declaration for eth0 (173.16.3.92).

子网范围没有和网卡IP相同。
如果要给非本网段的网络分配IP
在最后一行加上 subnet { }这样试试。

谢谢!!