# File lib/cobbler/network_interface.rb, line 41
    def bundle_for_saving(which)
      result = Hash.new
      
      result["macaddress-intf#{which}"] = mac_address if mac_address
      result["ipaddress-intf#{which}"]  = ip_address  if ip_address
      result["hostname-intf#{which}"]   = hostname    if hostname
      result["virtbridge-intf#{which}"] = virt_bridge if virt_bridge
      result["dhcptag-intf#{which}"]    = dhcp_tag    if dhcp_tag
      result["subnet-intf#{which}"]     = subnet      if subnet
      result["gateway-intf#{which}"]    = gateway     if gateway
      
      return result
    end