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HP P4459A 8-Port Fibre Loop Switch Installation & Opeartion Guide
Star
A configuration of computing devices within a LAN where each user is connected
by links radiating out from a central connection point such as a hub.
Switch Port
A port on a device that can directly connect two devices together through switch
connection. The P4459A is such a switch.
Topology
The physical or logical layout of nodes on a network.
WWN
Worldwide Name. It defaults to the lowest value MAC Address assigned to any
port.
WW Port Name
Worldwide Port Name. To ensure global uniqueness, the MAC Address prepends
16 bits to create a 64-bit identifier. The first 4 bits are a Network Address Authority
(NAA) controlling authority identifier. The next 12 bits are 0-padded. When
NAA=1, it means that the WW Port Name follows IEEE 802.3A Universal LAN
MAC addressing. Fibre Channel requires each port to assign an unchangeable WW
Port Name. See MAC Address.
ULP
Upper Layer Protocol. The protocol that runs on top of Fibre Channel through the
FC-4 layer. Well known ULPs that run over Fibre Channel are SCSI and IP.
Zoning
The ability to divide a SAN into a number of independent zones for binding targets
to initiators. This allows a logical mapping of a physical configuration.