Investigate the Ethernet connectivity devices offered by a major vendor, such as Linksys (www.linksys.com), NETGEAR (www.netgear.com), or Cisco (www.cisco.com). What range of features is available in LAN and WAN switches and routers? What devices are offered that dont clearly fall into the categories described in this chapter? Whats the cost per port of Gigabit, 10 Gigabit, and 40 Gigabit switches and routers? What options are available for linking groups of switches and routers?