Through ISC-DHCP forum i came to know about two great tools which will check the status of DHCP Server and if it is down will inform admin or take appropriate action.
http://www.mavetju.org/unix/general.php
http://www.phpclasses.org/package/6621-PHP-Send-queries-to-a-DHCP-server.html
I have not used it myself, you can try them and let me know your comments.
http://www.mavetju.org/unix/general.php
http://www.phpclasses.org/package/6621-PHP-Send-queries-to-a-DHCP-server.html
I have not used it myself, you can try them and let me know your comments.