Linux DHCP Release on boot

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DHCP Release/Renew

Are there any UNIX commands that will release and renew a DHCP lease? If not, is there a third party utility that would do this?

LEARN ABOUT OPENDARWIN

dhcpmgr

dhcpmgr(1M)						  System Administration Commands					       dhcpmgr(1M)

NAME

       dhcpmgr - graphical interface for managing DHCP service

SYNOPSIS

       /usr/sadm/admin/bin/dhcpmgr

DESCRIPTION

       dhcpmgr	is a graphical user interface which enables you to manage the Dynamic Host Configuration Protocol (DHCP) service on the local sys-
       tem. It performs the functions of the dhcpconfig, dhtadm, and pntadm command line utilities. You must be root to use dhcpmgr.  The  dhcpmgr
       Help, available from the Help menu, contains detailed information about using the tool.

USAGE

       You can perform the following tasks using dhcpmgr:

       Configure DHCP service

	   Use dhcpmgr to configure the DHCP daemon as a DHCP server, and select the data store to use for storing network configuration tables..

       Configure BOOTP relay service

	   Use dhcpmgr to configure the DHCP daemon as a BOOTP relay.

       Manage DHCP or BOOTP relay service

	   Use dhcpmgr to start, stop, enable, disable or unconfigure the DHCP service or BOOTP relay service, or change DHCP server parameters.

       Manage DHCP addresses

	   Use dhcpmgr to add, modify, or delete IP addresses leased by the DHCP service.

       Manage DHCP macros

	   Use dhcpmgr to add, modify or delete macros used to supply configuration parameters to DHCP clients.

       Manage DHCP options

	   Use dhcpmgr to add, modify or delete options used to define parameters deliverable through DHCP.

       Convert to a new DHCP data store

	   Use	dhcpmgr  to  configure the DHCP server to use a different data store, and convert the DHCP data to the format used by the new data
	   store.

       Move DHCP data to another server

	   Use dhcpmgr to export data from one Solaris DHCP server and import data onto another Solaris DHCP server.

EXIT STATUS

       The following exit values are returned:

       0	       Successful completion.

       non-zero        An error occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWdhcm			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       dhcpconfig(1M), dhtadm(1M), pntadm(1M), in.dhcpd(1M), dhcpsvc.conf(4), dhcp_network(4), dhcptab(4), attributes(5), dhcp(5), dhcp_modules(5)

       Solaris DHCP Service Developer's Guide

       System Administration Guide: IP Services

SunOS 5.10							    13 Mar 2001 						       dhcpmgr(1M)

UNIX for Dummies Questions & Answers