Binary package “grub-ipxe” in ubuntu precise

Network booting from GRUB using iPXE

 iPXE is network boot firmware. It supports a variety of network cards,
 including some wireless cards, and variety of network protocols (traditional
 DHCP, BOOTP and TFTP and also HTTP, iSCSI, SAN via FCoE and Infiniband). It
 supports scripting.
 .
 This package adds a menu entry to grub2 for network booting using iPXE.