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Departmental Switch Model DS-16B2 Fabric OS Procedures Manual
g-15
Glossary
Translative Mode A mode in which private devices can communicate with public
devices across the fabric.
Transmission
Character
A 10 bit character encoded according to the rules of the 8B/10B
algorithm.
Transmission Word A group of four transmission characters.
Trap (SNMP) The message sent by an SNMP agent to inform the SNMP
management station of a critical error. See also SNMP.
Trunking See ISL Trunking.
Tunneling A technique for enabling two networks to communicate when the
source and destination hosts are both on the same type of network,
but are connected by a different type of network.
U
U_Port Universal Port; a switch port that can operate as a G_Port, E_Port,
F_Port, or FL_Port. A port is defined as a U_Port when it is not
connected or has not yet assumed a specific function in the fabric.
UDP User Datagram Protocol; a protocol that runs on top of IP and
provides port multiplexing for upper level protocols.
ULP Upper-level Protocol; the protocol that runs on top of Fibre Channel.
Typical upper-level protocols are SCSI, IP, HIPPI, and IPI.
ULP_TOV Upper level Tim Out Value; the minimum time that a SCSI ULP
process waits for SCSI status before initiating ULP recovery.
Unicast The transmission of data from a single source to a single destination.
See also Broadcast and Multicast.
W
Web Tools A Brocade product that runs on Fabric OS and provides a graphical
interface to allow monitoring and management of individual
switches or entire fabrics from a standard workstation.
Well Known Address As pertaining to Fibre Channel, a logical address defined by the Fibre
Channel standards as assigned to a specific function, and stored on
the switch.