dhcp3-client 4.1.ESV-R4-0ubuntu3 (amd64 binary) in ubuntu precise

 This is the client from the Internet Software Consortium's implementation of
 DHCP. For more information visit http://www.isc.org.
 .
 Dynamic Host Configuration Protocol (DHCP) is a protocol like BOOTP
 (actually dhcpd includes much of the functionality of bootpd). It
 gives client machines "leases" for IP addresses and can
 automatically set their network configuration. If your machine
 depends on DHCP (especially likely if it's a workstation on a large
 network, or a laptop, or attached to a cable modem), keep this or
 another DHCP client installed.
 .
 This is a dummy package to aid in transitioning from the v3 DHCP packages
 to the new-style DHCP packages.
 .
 This dummy package may be safely removed after upgrading to squeeze