Pump

pump is a program that acts a bit like dhcpcd or dhclient.

pump is a daemon that manages network interfaces that are controlled by either the DHCP or BOOTP protocol. In simple words, it asks the DHCP (usually: router) for an IP address.

Usage: pump [-krRsd] [-c|--config-file FILE] [-h|--hostname HOSTNAME] [-i|--interface IFACE] [-l|--lease HOURS] [-?|--help] [--lookup-hostname] [--no-dns] [--no-gateway] [--no-setup] [--no-resolvconf] [--release] [--renew] [--script= ISCRIPT] [--status] [--win-client-ident] [--usage]

Common arguments: -i interface