On LAN technologies, the usual bandwidth are 10Mbps, 100Mbps, 1000Mbps and starting now in some cases, 10000Mbps. The different bandwidth profiles and their usages are described in the table below.
User workstation 10 or 100Mbps
IP Phone 100Mbps
Server 10, 100 or 1000Mpbs
Connection to WAN router 10, 100 or 1000Mpbs
Connection between switches 1000Mbps or an aggregation of n*1000Mbps