isc-dhcp-relay 4.1.ESV-R4-0ubuntu5.6 (i386 binary) in ubuntu precise

 This is the relay from the Internet Software Consortium's implementation of
 DHCP. For more information visit
 http://www.isc.org.
 .
 Installing this package will make the machine a DHCP relay, which
 requires a reachable DHCP or BOOTP server in order to function.
 .
 Extra documentation can be found in the package isc-dhcp-common.