Glossary
U
U_Port Universal Port. Switch port that can operate as G_Port, E_Port, F_Port, or FL_Port. A port is defined as a U_Port if not connected or if it has not assumed a specific function in the fabric.
ULP Upper Layer Protocol. Protocol that runs on top of fibre channel.
Typical upper layer protocols: SCSI, IP, HIPPI, IPI.
Unicast Transmission of data from a single source to single destination. See also Broadcast, Multicast.
WWell-known address
As applies to fibre channel, a logical address stored on the switch and defined by fibre channel standards as being assigned to a specific function.
WWN World Wide Name. Identifier that is unique
Z
Zone Set of hosts and devices attached to same fabric and having access permission, including RSCNs and user data, to each other. Entities inside a zone are not visible to entities outside the same zone, even if the outside entities are in another zone. Equivalent to network term virtual LAN.
Zoning A way to partition fabric into logical groupings of devices.
Zone configuration A specified set of zones. Enabling a zone configuration enables all zones in that configuration. See also Defined configuration, Enabled configuration.
Departmental Switch Models