HP Surestore 6164 Switch - Manual (Page 86)

86 Zoning User’s Guide
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.
UDP User Datagram Protocol. A protocol that runs on top of IP and provides port
multiplexing for higher layer protocols.
ULP Upper Layer Protocol. Protocol that runs on top of fibre channel. Typical
upper layer protocols: SCSI, IP, HIPPI, IPI.
ULP_TOV Upper Level Timeout Value.The minimum time that a SCSI ULP process
waits for SCSI status before initiating ULP recovery.
Unicast Transmission of data from a single source to single destination. See also
Broadcast, Multicast.
Web Tools Product that provides a graphical interface for monitoring and managing
individual switches or entire fabrics from standard workstations.
Well-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 world-wide. Each entity in a
fabric has a separate WWN.
Xmitted Close State The state in which an L_Port cannot send messages, but can retransmit
messages within the loop. A port in the XMITTED CLOSE state cannot
attempt to arbitrate.
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”.
Zone configuration A specified set of zones. Enabling a zone configuration enables all zones in
that configuration. See also Defined configuration, Enabled configuration.
Zoning Product that allows partitioning of fabric into logical groupings of devices.
See also Zone.